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How cohousing can make us happier (and live longer) | Grace Kim

Jul 24, 2017 - 00:10:15

Loneliness doesn't always stem from being alone. For architect Grace Kim, loneliness is a function of how socially connected we feel to the people around us -- and it's often the result of the homes we live in. She shares an age-old antidote to isolation: cohousing, a way of living where people choose to share space with their neighbors, get to know them, and look after them. Rethink your home and how you live in it with this eye-opening talk.

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How I fail at being disabled | Susan Robinson

Jul 21, 2017 - 00:07:47

Born with a genetic visual impairment that has no correction or cure, Susan Robinson is legally blind (or partially sighted, as she prefers it) and entitled to a label she hates: "disabled." In this funny and personal talk, she digs at our hidden biases by explaining five ways she flips expectations of disability upside down.

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Hamilton vs. Madison and the birth of American partisanship | Noah Feldman

Jul 20, 2017 - 00:14:17

The divisiveness plaguing American politics today is nothing new, says constitutional law scholar Noah Feldman. In fact, it dates back to the early days of the republic, when a dispute between Alexander Hamilton and James Madison led the two Founding Fathers to cut ties and form the country's first political parties. Join Feldman for some fascinating history of American factionalism -- and a hopeful reminder about how the Constitution has proven itself to be greater than partisanship.

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The human insights missing from big data | Tricia Wang

Jul 19, 2017 - 00:16:12

Why do so many companies make bad decisions, even with access to unprecedented amounts of data? With stories from Nokia to Netflix to the oracles of ancient Greece, Tricia Wang demystifies big data and identifies its pitfalls, suggesting that we focus instead on "thick data" -- precious, unquantifiable insights from actual people -- to make the right business decisions and thrive in the unknown.

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How your brain hallucinates your conscious reality | Anil Seth

Jul 18, 2017 - 00:17:01

Right now, billions of neurons in your brain are working together to generate a conscious experience -- and not just any conscious experience, your experience of the world around you and of yourself within it. How does this happen? According to neuroscientist Anil Seth, we're all hallucinating all the time; when we agree about our hallucinations, we call it "reality." Join Seth for a delightfully disorienting talk that may leave you questioning the very nature of your existence.

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Your brain hallucinates your conscious reality | Anil Seth

Jul 18, 2017 - 00:17:01

Right now, billions of neurons in your brain are working together to generate a conscious experience -- and not just any conscious experience, your experience of the world around you and of yourself within it. How does this happen? According to neuroscientist Anil Seth, we're all hallucinating all the time; when we agree about our hallucinations, we call it "reality." Join Seth for a delightfully disorienting talk that may leave you questioning the very nature of your existence.

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Can clouds buy us more time to solve climate change? | Kate Marvel

Jul 17, 2017 - 00:13:07

Climate change is real, case closed. But there's still a lot we don't understand about it, and the more we know the better chance we have to slow it down. One still-unknown factor: How might clouds play a part? There's a small hope that they could buy us some time to fix things ... or they could make global warming worse. Climate scientist Kate Marvel takes us through the science of clouds and what it might take for Earth to break its own fever.

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Why our screens make us less happy | Adam Alter

Jul 14, 2017 - 00:09:29

What are our screens and devices doing to us? Psychologist Adam Alter has spent the last five years studying how much time screens steal from us and how they're getting away with it. He shares why all those hours you spend staring at your smartphone, tablet or computer might be making you miserable -- and what you can do about it.

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What rivers can tell us about the earth's history | Liz Hajek

Jul 13, 2017 - 00:11:08

Rivers are one of nature's most powerful forces -- they bulldoze mountains and carve up the earth, and their courses are constantly moving. Understanding how they form and how they'll change is important for those that call their banks and deltas home. In this visual-packed talk, geoscientist Liz Hajek shows us how rocks deposited by ancient rivers can be used as a time machine to study the history of the earth, so we can figure out how to more sustainably live on it today.

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How we can face the future without fear, together | Rabbi Lord Jonathan Sacks

Jul 11, 2017 - 00:12:36

It's a fateful moment in history. We've seen divisive elections, divided societies and the growth of extremism -- all fueled by anxiety and uncertainty. "Is there something we can do, each of us, to be able to face the future without fear?" asks Rabbi Lord Jonathan Sacks. In this electrifying talk, the spiritual leader gives us three specific ways we can move from the politics of "me" to the politics of "all of us, together."

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Lifesaving scientific tools made of paper | Manu Prakash

Jul 10, 2017 - 00:13:58

Inventor Manu Prakash turns everyday materials into powerful scientific devices, from paper microscopes to a clever new mosquito tracker. From the TED Fellows stage, he demos Paperfuge, a hand-powered centrifuge inspired by a spinning toy that costs 20 cents to make and can do the work of a $1,000 machine, no electricity required.

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The gospel of doubt | Casey Gerald

Jul 8, 2017 - 00:18:19

What do you do when your firmly held beliefs turn out not to be true? When Casey Gerald's religion failed him, he searched for something new to believe in -- in business, in government, in philanthropy -- but found only false saviors. In this moving talk, Gerald urges us all to question our beliefs and embrace uncertainty.

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My year of living biblically | AJ Jacobs

Jul 7, 2017 - 00:17:40

Author, philosopher, prankster and journalist AJ Jacobs talks about the year he spent living biblically -- following the rules in the Bible as literally as possible.

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Don't ask where I'm from, ask where I'm a local | Taiye Selasi

Jul 6, 2017 - 00:16:31

When someone asks you where you're from … do you sometimes not know how to answer? Writer Taiye Selasi speaks on behalf of "multi-local" people, who feel at home in the town where they grew up, the city they live now and maybe another place or two. "How can I come from a country?" she asks. "How can a human being come from a concept?"

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Everyone around you has a story the world needs to hear | Dave Isay

Jul 5, 2017 - 00:21:38

Dave Isay opened the first StoryCorps booth in New York’s Grand Central Terminal in 2003 with the intention of creating a quiet place where a person could honor someone who mattered to them by listening to their story. Since then, StoryCorps has evolved into the single largest collection of human voices ever recorded. His TED Prize wish: to grow this digital archive of the collective wisdom of humanity. Hear his vision to take StoryCorps global — and how you can be a part of it by interviewing someone with the StoryCorps app.

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Never, ever give up | Diana Nyad

Jul 4, 2017 - 00:15:35

In the pitch-black night, stung by jellyfish, choking on salt water, singing to herself, hallucinating … Diana Nyad just kept on swimming. And that's how she finally achieved her lifetime goal as an athlete: an extreme 100-mile swim from Cuba to Florida -- at age 64. Hear her story.

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The unheard story of David and Goliath | Malcolm Gladwell

Jun 30, 2017 - 00:15:40

It's a classic underdog tale: David, a young shepherd armed only with a sling, beats Goliath, the mighty warrior. The story has transcended its biblical origins to become a common shorthand for unlikely victory. But, asks Malcolm Gladwell, is that really what the David and Goliath story is about?

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The danger of a single story | Chimamanda Ngozi Adichie

Jun 29, 2017 - 00:18:49

Our lives, our cultures, are composed of many overlapping stories. Novelist Chimamanda Adichie tells the story of how she found her authentic cultural voice -- and warns that if we hear only a single story about another person or country, we risk a critical misunderstanding.

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Why I love a country that once betrayed me | George Takei

Jun 28, 2017 - 00:15:58

When he was a child, George Takei and his family were forced into an internment camp for Japanese-Americans, as a "security" measure during World War II. 70 years later, Takei looks back at how the camp shaped his surprising, personal definition of patriotism and democracy.

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Why some of us don't have one true calling | Emilie Wapnick

Jun 27, 2017 - 00:12:26

What do you want to be when you grow up? Well, if you're not sure you want to do just one thing for the rest of your life, you're not alone. In this illuminating talk, writer and artist Emilie Wapnick describes the kind of people she calls "multipotentialites" -- who have a range of interests and jobs over one lifetime. Are you one?

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The boiling river of the Amazon | Andrés Ruzo

Jun 26, 2017 - 00:15:49

When Andrés Ruzo was a young boy in Peru, his grandfather told him a story with an odd detail: There is a river, deep in the Amazon, which boils as if a fire burns below it. Twelve years later, after training as a geoscientist, he set out on a journey deep into the jungle of South America in search of this boiling river. At a time when everything seems mapped and measured, join Ruzo as he explores a river that forces us to question the line between known and unknown ... and reminds us that there are great wonders yet to be discovered.

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Don't feel sorry for refugees -- believe in them | Luma Mufleh

Jun 23, 2017 - 00:14:13

"We have seen advances in every aspect of our lives -- except our humanity," says Luma Mufleh, a Jordanian immigrant and Muslim of Syrian descent who founded the first accredited school for refugees in the United States. Mufleh shares stories of hope and resilience, explaining how she's helping young people from war-torn countries navigate the difficult process of building new homes. Get inspired to make a personal difference in the lives of refugees with this powerful talk.

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A celebration of natural hair | Cheyenne Cochrane

Jun 22, 2017 - 00:14:00

Cheyenne Cochrane explores the role that hair texture has played in the history of being black in America -- from the heat straightening products of the post-Civil War era to the thousands of women today who have decided to stop chasing a conventional beauty standard and start embracing their natural hair. "This is about more than a hairstyle," Cochrane says. "It's about being brave enough not to fold under the pressure of others' expectations."

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Why design should include everyone | Sinéad Burke

Jun 21, 2017 - 00:09:57

Sinéad Burke is acutely aware of details that are practically invisible to many of us. At 105 centimeters (or 3' 5") tall, the designed world -- from the height of a lock to the range of available shoe sizes -- often inhibits her ability to do things for herself. Here she tells us what it's like to navigate the world as a little person and asks: "Who are we not designing for?"

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The refugee crisis is a test of our character | David Miliband

Jun 20, 2017 - 00:18:38

Sixty-five million people were displaced from their homes by conflict and disaster in 2016. It's not just a crisis; it's a test of who we are and what we stand for, says David Miliband -- and each of us has a personal responsibility to help solve it. In this must-watch talk, Miliband gives us specific, tangible ways to help refugees and turn empathy and altruism into action.

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Why we need to imagine different futures | Anab Jain

Jun 19, 2017 - 00:14:41

Anab Jain brings the future to life, creating experiences where people can touch, see and feel the potential of the world we're creating. Do we want a world where intelligent machines patrol our streets, for instance, or where our genetic heritage determines our health care? Jain's projects show why it's important to fight for the world we want. Catch a glimpse of possible futures in this eye-opening talk.

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Doesn't everyone deserve a chance at a good life? | Jim Yong Kim

Jun 16, 2017 - 00:22:12

Aspirations are rising as never before across the world, thanks in large part to smartphones and the internet -- will they be met with opportunity or frustration? As President of the World Bank Group, Jim Yong Kim wants to end extreme poverty and boost shared prosperity. He shares how the institution is working to improve the health and financial futures of people in the poorest countries by boosting investment and de-risking development.

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"Awoo" | Sofi Tukker

Jun 16, 2017 - 00:03:32

Electro-pop duo Sofi Tukker dance it out with the TED audience in a performance of their upbeat, rhythmic song "Awoo," featuring Betta Lemme.

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Science didn't understand my kids' rare disease until I decided to study it | Sharon Terry

Jun 15, 2017 - 00:15:02

Meet Sharon Terry, a former college chaplain and stay-at-home mom who took the medical research world by storm when her two young children were diagnosed with a rare disease known as pseudoxanthoma elasticum (PXE). In this knockout talk, Terry explains how she and her husband became citizen scientists, working midnight shifts at the lab to find the gene behind PXE and establishing mandates that require researchers to share biological samples and work together.

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When I die, recompose me | Katrina Spade

Jun 14, 2017 - 00:12:57

What if our bodies could help grow new life after we die, instead of being embalmed and buried or turned to ash? Join Katrina Spade as she discusses "recomposition" -- a system that uses the natural decomposition process to turn our deceased into life-giving soil, honoring both the earth and the departed.

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How I built a jet suit | Richard Browning

Jun 13, 2017 - 00:07:08

We've all dreamed of flying -- but for Richard Browning, flight is an obsession. He's built an Iron Man-like suit that leans on an elegant collaboration of mind, body and technology, bringing science fiction dreams a little closer to reality. Learn more about the trial and error process behind his invention and take flight with Browning in an unforgettable demo.

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Why you should define your fears instead of your goals | Tim Ferriss

Jun 12, 2017 - 00:13:21

The hard choices -- what we most fear doing, asking, saying -- are very often exactly what we need to do. How can we overcome self-paralysis and take action? Tim Ferriss encourages us to fully envision and write down our fears in detail, in a simple but powerful exercise he calls "fear-setting." Learn more about how this practice can help you thrive in high-stress environments and separate what you can control from what you cannot.

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12 truths I learned from life and writing | Anne Lamott

Jun 9, 2017 - 00:15:55

A few days before she turned 61, writer Anne Lamott decided to write down everything she knew for sure. She dives into the nuances of being a human who lives in a confusing, beautiful, emotional world, offering her characteristic life-affirming wisdom and humor on family, writing, the meaning of God, death and more.

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What happens in your brain when you pay attention? | Mehdi Ordikhani-Seyedlar

Jun 8, 2017 - 00:06:32

Attention isn't just about what we focus on -- it's also about what our brains filter out. By investigating patterns in the brain as people try to focus, computational neuroscientist Mehdi Ordikhani-Seyedlar hopes to build computer models that can be used to treat ADHD and help those who have lost the ability to communicate. Hear more about this exciting science in this brief, fascinating talk.

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Why glass towers are bad for city life -- and what we need instead | Justin Davidson

Jun 6, 2017 - 00:12:39

There's a creepy transformation taking over our cities, says architecture critic Justin Davidson. From Houston, Texas to Guangzhou, China, shiny towers of concrete and steel covered with glass are cropping up like an invasive species. Rethink your city's anatomy as Davidson explains how the exteriors of building shape the urban experience -- and what we lose when architects stop using the full range of available materials.

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How to see past your own perspective and find truth | Michael Patrick Lynch

Jun 5, 2017 - 00:14:26

The more we read and watch online, the harder it becomes to tell the difference between what's real and what's fake. It's as if we know more but understand less, says philosopher Michael Patrick Lynch. In this talk, he dares us to take active steps to burst our filter bubbles and participate in the common reality that actually underpins everything.

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How to design a library that makes kids want to read | Michael Bierut

Jun 2, 2017 - 00:12:26

When Michael Bierut was tapped to design a logo for public school libraries, he had no idea that he was embarking on a years-long passion project. In this often hilarious talk, he recalls his obsessive quest to bring energy, learning, art and graphics into these magical spaces where school librarians can inspire new generations of readers and thinkers.

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Songs that bring history to life | Rhiannon Giddens

Jun 2, 2017 - 00:14:45

Rhiannon Giddens pours the emotional weight of American history into her music. Listen as she performs traditional folk ballads -- including "Waterboy," "Up Above My Head," and "Lonesome Road" by Sister Rosetta Tharp -- and one glorious original song, "Come Love Come," inspired by Civil War-era slave narratives.

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No one should die because they live too far from a doctor | Raj Panjabi

Jun 1, 2017 - 00:20:30

Illness is universal -- but access to care is not. Physician Raj Panjabi has a bold vision to bring health care to everyone, everywhere. With the 2017 TED Prize, Panjabi is building the Community Health Academy, a global platform that aims to modernize how community health workers learn vital skills, creating jobs along the way.

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Am I not human? A call for criminal justice reform | Marlon Peterson

May 31, 2017 - 00:07:32

For a crime he committed in his early twenties, the courts sentenced Marlon Peterson to 10 years in prison -- and, as he says, a lifetime of irrelevance. While behind bars, Peterson found redemption through a penpal mentorship program with students from Brooklyn. In this brave talk, he reminds us why we should invest in the humanity of those people society would like to disregard and discard.

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Don't fear intelligent machines. Work with them | Garry Kasparov

May 30, 2017 - 00:15:20

We must face our fears if we want to get the most out of technology -- and we must conquer those fears if we want to get the best out of humanity, says Garry Kasparov. One of the greatest chess players in history, Kasparov lost a memorable match to IBM supercomputer Deep Blue in 1997. Now he shares his vision for a future where intelligent machines help us turn our grandest dreams into reality.

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How pollution is changing the ocean's chemistry | Triona McGrath

May 29, 2017 - 00:09:03

As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as ocean acidification, and in this talk she takes us for a dive into an oceanographer's world. Learn more about how the "evil twin of climate change" is impacting the ocean -- and the life that depends on it.

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How to find a wonderful idea | OK Go

May 26, 2017 - 00:17:35

Where does OK Go come up with ideas like dancing in zero gravity, performing in ultra slow motion or constructing a warehouse-sized Rube Goldberg machine for their music videos? In between live performances of "This Too Shall Pass" and "The One Moment," lead singer and director Damian Kulash takes us inside the band's creative process, showing us how to look for wonder and surprise.

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A secret weapon against Zika and other mosquito-borne diseases | Nina Fedoroff

May 25, 2017 - 00:15:10

Where did Zika come from, and what can we do about it? Molecular biologist Nina Fedoroff takes us around the world to understand Zika's origins and how it spread, proposing a controversial way to stop the virus -- and other deadly diseases -- by preventing infected mosquitoes from multiplying.

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This is what democracy looks like | Anthony D. Romero

May 24, 2017 - 00:12:48

In a quest to make sense of the political environment in the United States in 2017, lawyer and ACLU executive director Anthony D. Romero turned to a surprising place -- a 14th-century fresco by Italian Renaissance master Ambrogio Lorenzetti. What could a 700-year-old painting possibly teach us about life today? Turns out, a lot. Romero explains all in a talk that's as striking as the painting itself.

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Why I speak up about living with epilepsy | Sitawa Wafula

May 23, 2017 - 00:08:29

Once homebound by epilepsy, mental health advocate Sitawa Wafula found her strength in writing about it. Now, she advocates for others who are yet to find their voices, cutting through stigma and exclusion to talk about what it's like to live with the condition.

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Poverty isn't a lack of character; it's a lack of cash | Rutger Bregman

May 22, 2017 - 00:14:58

"Ideas can and do change the world," says historian Rutger Bregman, sharing his case for a provocative one: guaranteed basic income. Learn more about the idea's 500-year history and a forgotten modern experiment where it actually worked -- and imagine how much energy and talent we would unleash if we got rid of poverty once and for all.

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Walking as a revolutionary act of self-care | T. Morgan Dixon and Vanessa Garrison

May 19, 2017 - 00:15:33

"When black women walk, things change," say T. Morgan Dixon and Vanessa Garrison, the founders of the health nonprofit GirlTrek. They're on a mission to reduce the leading causes of preventable death among black women -- and build communities in the process. How? By getting one million black women and girls to prioritize their self-care, lacing up their shoes and walking in the direction of their healthiest, most fulfilled lives.

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When Black women walk, things change | T. Morgan Dixon and Vanessa Garrison

May 19, 2017 - 00:15:33

T. Morgan Dixon and Vanessa Garrison, founders of the health nonprofit GirlTrek, are on a mission to reduce the leading causes of preventable death among Black women -- and build communities in the process. How? By getting one million women and girls to prioritize their self-care, lacing up their shoes and walking in the direction of their healthiest, most fulfilled lives.

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Why school should start later for teens | Wendy Troxel

May 18, 2017 - 00:10:33

Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinician and mother of a teenager, Troxel discusses how early school start times deprive adolescents of sleep during the time of their lives when they need it most.

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A climate solution where all sides can win | Ted Halstead

May 17, 2017 - 00:13:07

Why are we so deadlocked on climate, and what would it take to overcome the seemingly insurmountable barriers to progress? Policy entrepreneur Ted Halstead proposes a transformative solution based on the conservative principles of free markets and limited government. Learn more about how this carbon dividends plan could trigger an international domino effect towards a more popular, cost-effective and equitable climate solution.

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What makes life worth living in the face of death | Lucy Kalanithi

May 16, 2017 - 00:16:09

In this deeply moving talk, Lucy Kalanithi reflects on life and purpose, sharing the story of her late husband, Paul, a young neurosurgeon who turned to writing after his terminal cancer diagnosis. "Engaging in the full range of experience -- living and dying, love and loss -- is what we get to do," Kalanithi says. "Being human doesn't happen despite suffering -- it happens within it."

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3 principles for creating safer AI | Stuart Russell

May 15, 2017 - 00:17:35

How can we harness the power of superintelligent AI while also preventing the catastrophe of robotic takeover? As we move closer toward creating all-knowing machines, AI pioneer Stuart Russell is working on something a bit different: robots with uncertainty. Hear his vision for human-compatible AI that can solve problems using common sense, altruism and other human values.

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Thoughts on humanity, fame and love | Shah Rukh Khan

May 12, 2017 - 00:17:51

"I sell dreams, and I peddle love to millions of people," says Shah Rukh Khan, Bollywood's biggest star. In this charming, funny talk, Khan traces the arc of his life, showcases a few of his famous dance moves and shares hard-earned wisdom from a life spent in the spotlight.

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How human noise affects ocean habitats | Kate Stafford

May 12, 2017 - 00:11:51

Oceanographer Kate Stafford lowers us into the sonically rich depths of the Arctic Ocean, where ice groans, whales sing to communicate over vast distances -- and climate change and human noise threaten to alter the environment in ways we don't understand. Learn more about why this underwater soundscape matters and what we might do to protect it.

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The biology of our best and worst selves | Robert Sapolsky

May 9, 2017 - 00:15:51

How can humans be so compassionate and altruistic -- and also so brutal and violent? To understand why we do what we do, neuroscientist Robert Sapolsky looks at extreme context, examining actions on timescales from seconds to millions of years before they occurred. In this fascinating talk, he shares his cutting edge research into the biology that drives our worst and best behaviors.

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A tribute to nurses | Carolyn Jones

May 8, 2017 - 00:10:48

Carolyn Jones spent five years interviewing, photographing and filming nurses across America, traveling to places dealing with some of the nation's biggest public health issues. She shares personal stories of unwavering dedication in this celebration of the everyday heroes who work at the front lines of health care.

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A summer school kids actually want to attend | Karim Abouelnaga

May 5, 2017 - 00:07:05

In the US, most kids have a very long summer break, during which they forget an awful lot of what they learned during the school year. This "summer slump" affects kids from low-income neighborhoods most, setting them back almost three months. TED Fellow Karim Abouelnaga has a plan to reverse this learning loss. Learn how he's helping kids improve their chances for a brighter future.

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There's no shame in taking care of your mental health | Sangu Delle

May 4, 2017 - 00:09:06

When stress got to be too much for TED Fellow Sangu Delle, he had to confront his own deep prejudice: that men shouldn't take care of their mental health. In a personal talk, Delle shares how he learned to handle anxiety in a society that's uncomfortable with emotions. As he says: "Being honest about how we feel doesn't make us weak -- it makes us human."

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How to exploit democracy | Laura Galante

May 3, 2017 - 00:09:33

Hacking, fake news, information bubbles ... all these and more have become part of the vernacular in recent years. But as cyberspace analyst Laura Galante describes in this alarming talk, the real target of anyone looking to influence geopolitics is dastardly simple: it's you.

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How (and why) Russia hacked the US election | Laura Galante

May 3, 2017 - 00:09:33

Hacking, fake news, information bubbles ... all these and more have become part of the vernacular in recent years. But as cyberspace analyst Laura Galante describes in this alarming talk, the real target of anyone looking to influence geopolitics is dastardly simple: it's you.

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Behind the lies of Holocaust denial | Deborah Lipstadt

May 2, 2017 - 00:15:30

"There are facts, there are opinions, and there are lies," says historian Deborah Lipstadt, telling the remarkable story of her research into Holocaust deniers -- and their deliberate distortion of history. Lipstadt encourages us all to go on the offensive against those who assault the truth and facts. "Truth is not relative," she says.

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The future we're building -- and boring | Elon Musk

May 1, 2017 - 00:40:50

Elon Musk discusses his new project digging tunnels under LA, the latest from Tesla and SpaceX and his motivation for building a future on Mars in conversation with TED's Head Curator, Chris Anderson.

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What you can do to prevent Alzheimer's | Lisa Genova

Apr 28, 2017 - 00:13:56

Alzheimer's doesn't have to be your brain's destiny, says neuroscientist and author of "Still Alice," Lisa Genova. She shares the latest science investigating the disease -- and some promising research on what each of us can do to build an Alzheimer's-resistant brain.

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On tennis, love and motherhood | Serena Williams and Gayle King

Apr 27, 2017 - 00:18:28

Twenty-three Grand Slam titles later, tennis superstar Serena Williams sits down with journalist Gayle King to share a warm, mischievous conversation about her life, love, wins and losses -- starting with the story of how she accidentally shared her pregnancy news with the world.

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Why the only future worth building includes everyone | His Holiness Pope Francis

Apr 26, 2017 - 00:17:52

A single individual is enough for hope to exist, and that individual can be you, says His Holiness Pope Francis in this searing TED Talk delivered directly from Vatican City. In a hopeful message to people of all faiths, to those who have power as well as those who don't, the spiritual leader provides illuminating commentary on the world as we currently find it and calls for equality, solidarity and tenderness to prevail. "Let us help each other, all together, to remember that the 'other' is not a statistic, or a number," he says. "We all need each other."

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Science in service to the public good | Siddhartha Roy

Apr 25, 2017 - 00:14:33

We give scientists and engineers great technical training, but we're not as good at teaching ethical decision-making or building character. Take, for example, the environmental crisis that recently unfolded in Flint, Michigan -- and the professionals there who did nothing to fix it. Siddhartha Roy helped prove that Flint's water was contaminated, and he tells a story of science in service to the public good, calling on the next generation of scientists and engineers to dedicate their work to protecting people and the planet.

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How fake news does real harm | Stephanie Busari

Apr 24, 2017 - 00:06:26

On April 14, 2014, the terrorist organization Boko Haram kidnapped more than 200 schoolgirls from the town of Chibok, Nigeria. Around the world, the crime became epitomized by the slogan #BringBackOurGirls -- but in Nigeria, government officials called the crime a hoax, confusing and delaying efforts to rescue the girls. In this powerful talk, journalist Stephanie Busari points to the Chibok tragedy to explain the deadly danger of fake news and what we can do to stop it.

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How I learned to read -- and trade stocks -- in prison | Curtis "Wall Street" Carroll

Apr 21, 2017 - 00:11:03

Financial literacy isn't a skill -- it's a lifestyle. Take it from Curtis "Wall Street" Carroll. As an incarcerated individual, Caroll knows the power of a dollar. While in prison, he taught himself how to read and trade stocks, and now he shares a simple, powerful message: we all need to be more savvy with our money.

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A doctor's case for medical marijuana | David Casarett

Apr 20, 2017 - 00:15:07

Physician David Casarett was tired of hearing hype and half-truths around medical marijuana, so he put on his skeptic's hat and investigated on his own. He comes back with a fascinating report on what we know and what we don't -- and what mainstream medicine could learn from the modern medical marijuana dispensary.

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A video game to cope with grief | Amy Green

Apr 19, 2017 - 00:10:34

When Amy Green's young son was diagnosed with a rare brain tumor, she made up a bedtime story for his siblings to teach them about cancer. What resulted was a video game, "That Dragon, Cancer," which takes players on a journey they can't win. In this beautiful talk about coping with loss, Green brings joy and play to tragedy. "We made a game that's hard to play," she says, "because the hardest moments of our lives change us more than any goal we could ever accomplish."

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How radio telescopes show us unseen galaxies | Natasha Hurley-Walker

Apr 18, 2017 - 00:15:25

Our universe is strange, wonderful and vast, says astronomer Natasha Hurley-Walker. A spaceship can't carry you into its depths (yet) -- but a radio telescope can. In this mesmerizing talk, Hurley-Walker shows how she probes the mysteries of the universe using special technology that reveals light spectrums we can't see.

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How do you build a sacred space? | Siamak Hariri

Apr 17, 2017 - 00:12:46

To design the Bahá'í Temple of South America, architect Siamak Hariri focused on illumination -- from the temple's form, which captures the movement of the sun throughout the day, to the iridescent, luminous stone and glass used to construct it. Join Hariri for a journey through the creative process, as he explores what makes for a sacred experience in a secular world.

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We should all be feminists | Chimamanda Ngozi Adichie

Apr 14, 2017 - 00:29:28

We teach girls that they can have ambition, but not too much ... to be successful, but not too successful, or they'll threaten men, says author Chimamanda Ngozi Adichie. In this classic talk that started a worldwide conversation about feminism, Adichie asks that we begin to dream about and plan for a different, fairer world -- of happier men and women who are truer to themselves.

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A simple birth kit for mothers in the developing world | Zubaida Bai

Apr 13, 2017 - 00:06:44

TED Fellow Zubaida Bai works with medical professionals, midwives and mothers to bring dignity and low-cost interventions to women's health care. In this quick, inspiring talk, she presents her clean birth kit in a purse, which contains everything a new mother needs for a hygienic birth and a healthy delivery -- no matter where in the world (or how far from a medical clinic) she might be.

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An intergalactic guide to using a defibrillator | Todd Scott

Apr 12, 2017 - 00:05:22

If Yoda goes into cardiac arrest, will you know what to do? Artist and first-aid enthusiast Todd Scott breaks down what you need to know about using an automated external defibrillator, or AED -- in this galaxy and ones that are far, far away. Prepare to save the life of a Jedi, Chewbacca (he'll need a quick shave first) or someone else in need with some helpful pointers.

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In praise of conflict | Jonathan Marks

Apr 11, 2017 - 00:14:56

Conflict is bad; compromise, consensus and collaboration are good -- or so we're told. Lawyer and bioethicist Jonathan Marks challenges this conventional wisdom, showing how governments can jeopardize public health, human rights and the environment when they partner with industry. An important, timely reminder that common good and common ground are not the same thing.

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3 ways to plan for the (very) long term | Ari Wallach

Apr 10, 2017 - 00:13:42

We increasingly make decisions based on short-term goals and gains -- an approach that makes the future more uncertain and less safe. How can we learn to think about and plan for a better future in the long term ... like, grandchildren-scale long term? Ari Wallach shares three tactics for thinking beyond the immediate.

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How we can find ourselves in data | Giorgia Lupi

Apr 7, 2017 - 00:11:13

Giorgia Lupi uses data to tell human stories, adding nuance to numbers. In this charming talk, she shares how we can bring personality to data, visualizing even the mundane details of our daily lives and transforming the abstract and uncountable into something that can be seen, felt and directly reconnected to our lives.

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How racism makes us sick | David R. Williams

Apr 6, 2017 - 00:17:27

Why does race matter so profoundly for health? David R. Williams developed a scale to measure the impact of discrimination on well-being, going beyond traditional measures like income and education to reveal how factors like implicit bias, residential segregation and negative stereotypes create and sustain inequality. In this eye-opening talk, Williams presents evidence for how racism is producing a rigged system -- and offers hopeful examples of programs across the US that are working to dismantle discrimination.

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How to take a picture of a black hole | Katie Bouman

Apr 4, 2017 - 00:12:51

At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close -- even light. We can't see it, but its event horizon casts a shadow, and an image of that shadow could help answer some important questions about the universe. Scientists used to think that making such an image would require a telescope the size of Earth -- until Katie Bouman and a team of astronomers came up with a clever alternative. Learn more about how we can see in the ultimate dark.

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Political common ground in a polarized United States | Gretchen Carlson, David Brooks

Apr 3, 2017 - 00:47:33

How can we bridge the gap between left and right to have a wiser, more connected political conversation? Journalist Gretchen Carlson and op-ed columnist David Brooks share insights on the tensions at the heart of American politics today -- and where we can find common ground. Followed by a rousing performance of "America the Beautiful" by Vy Higginsen's Gospel Choir of Harlem.

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Know your worth, and then ask for it | Casey Brown

Apr 3, 2017 - 00:08:22

Your boss probably isn't paying you what you're worth -- instead, they're paying you what they think you're worth. Take the time to learn how to shape their thinking. Pricing consultant Casey Brown shares helpful stories and learnings that can help you better communicate your value and get paid for your excellence.

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A young poet tells the story of Darfur | Emtithal Mahmoud

Mar 31, 2017 - 00:10:51

Emtithal "Emi" Mahmoud writes poetry of resilience, confronting her experience of escaping the genocide in Darfur in verse. She shares two stirring original poems about refugees, family, joy and sorrow, asking, "Will you witness me?"

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"Music for Wood and Strings" | Sō Percussion

Mar 31, 2017 - 00:10:09

Sō Percussion creates adventurous compositions with new, unconventional instruments. Performing "Music for Wood and Strings" by Bryce Dessner of The National, the quartet plays custom-made dulcimer-like instruments that combine the sound of an electric guitar with the percussionist's toolkit to create a hypnotic effect.

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How early life experience is written into DNA | Moshe Szyf

Mar 30, 2017 - 00:16:35

Moshe Szyf is a pioneer in the field of epigenetics, the study of how living things reprogram their genome in response to social factors like stress and lack of food. His research suggests that biochemical signals passed from mothers to offspring tell the child what kind of world they're going to live in, changing the expression of genes. "DNA isn't just a sequence of letters; it's not just a script." Szyf says. "DNA is a dynamic movie in which our experiences are being written."

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Addiction is a disease. We should treat it like one | Michael Botticelli

Mar 29, 2017 - 00:10:44

Only one in nine people in the United States gets the care and treatment they need for addiction and substance abuse. A former Director of National Drug Control Policy, Michael Botticelli is working to end this epidemic and treat people with addictions with kindness, compassion and fairness. In a personal, thoughtful talk, he encourages the millions of Americans in recovery today to make their voices heard and confront the stigma associated with substance use disorders.

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What we don't know about mother's milk | Katie Hinde

Mar 28, 2017 - 00:09:59

Breast milk grows babies' bodies, fuels neurodevelopment, provides essential immunofactors and safeguards against famine and disease -- why, then, does science know more about tomatoes than mother's milk? Katie Hinde shares insights into this complex, life-giving substance and discusses the major gaps scientific research still needs to fill so we can better understand it.

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A young inventor's plan to recycle Styrofoam | Ashton Cofer

Mar 27, 2017 - 00:06:01

From packing peanuts to disposable coffee cups, each year the US alone produces some two billion pounds of Styrofoam -- none of which can be recycled. Frustrated by this waste of resources and landfill space, Ashton Cofer and his science fair teammates developed a heating treatment to break down used Styrofoam into something useful. Check out their original design, which won both the FIRST LEGO League Global Innovation Award and the Scientific American Innovator Award from Google Science Fair.

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3 ways to spot a bad statistic | Mona Chalabi

Mar 24, 2017 - 00:11:45

Polls that predict political candidates' chances to two decimal places are a problem. But we shouldn't count out stats altogether ... instead, we should learn to look behind them. In this delightful, hilarious talk, data journalist Mona Chalabi shares handy tips to help question, interpret and truly understand what the numbers are saying.

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Who would the rest of the world vote for in your country's election? | Simon Anholt

Mar 23, 2017 - 00:14:55

To make the world work, we need leaders who consider the needs of every man, woman, child and animal on the planet -- not just their own voters. With the Global Vote, an online platform that lets anybody, anywhere in the world vote in the election of any country on earth, policy advisor Simon Anholt hopes to fill the gap between the few people who elect the world's most powerful leaders ... and the rest of us.

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Why civilians suffer more once a war is over | Margaret Bourdeaux

Mar 22, 2017 - 00:14:21

War doesn't just kill people; it destroys the institutions that keep society running, like utilities, banks and hospitals. Physician and global health policy analyst Margaret Bourdeaux proposes a bold approach to post-conflict recovery that focuses on building strong, resilient health systems that protect vulnerable populations.

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Asking for help is a strength, not a weakness | Michele L. Sullivan

Mar 21, 2017 - 00:11:55

We all go through challenges -- some you can see, most you can't, says Michele L. Sullivan. In a talk about perspective, Sullivan shares stories full of wit and wisdom and reminds us that we're all part of each other's support systems. "The only shoes you can walk in are your own," she says. "With compassion, courage and understanding, we can walk together, side by side."

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Lifelike simulations that make real-life surgery safer | Peter Weinstock

Mar 20, 2017 - 00:16:58

Critical care doctor Peter Weinstock shows how surgical teams are using a blend of Hollywood special effects and 3D printing to create amazingly lifelike reproductions of real patients -- so they can practice risky surgeries ahead of time. Think: "Operate twice, cut once." Glimpse the future of surgery in this forward-thinking talk.

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Inside America's dead shopping malls | Dan Bell

Mar 17, 2017 - 00:11:53

What happens when a mall falls into ruin? Filmmaker Dan Bell guides us through abandoned monoliths of merchandise, providing a surprisingly funny and lyrical commentary on consumerism, youth culture and the inspiration we can find in decay.

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"Turceasca" | Silk Road Ensemble

Mar 17, 2017 - 00:06:29

Grammy-winning Silk Road Ensemble display their eclectic convergence of violin, clarinet, bass, drums and more in this energetic rendition of the traditional Roma tune, "Turceasca."

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What young women believe about their own sexual pleasure | Peggy Orenstein

Mar 15, 2017 - 00:17:00

Why do girls feel empowered to engage in sexual activity but not to enjoy it? For three years, author Peggy Orenstein interviewed girls ages 15 to 20 about their attitudes toward and experiences of sex. She discusses the pleasure that's largely missing from their sexual encounters and calls on us to close the "orgasm gap" by talking candidly with our girls from an early age about sex, bodies, pleasure and intimacy.

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Adventures of an asteroid hunter | Carrie Nugent

Mar 14, 2017 - 00:06:06

TED Fellow Carrie Nugent is an asteroid hunter -- part of a group of scientists working to discover and catalog our oldest and most numerous cosmic neighbors. Why keep an eye out for asteroids? In this short, fact-filled talk, Nugent explains how their awesome impacts have shaped our planet, and how finding them at the right time could mean nothing less than saving life on Earth.

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A burial practice that nourishes the planet | Caitlin Doughty

Mar 13, 2017 - 00:11:54

Here's a question we all have to answer sooner or later: What do you want to happen to your body when you die? Funeral director Caitlin Doughty explores new ways to prepare us for inevitable mortality. In this thoughtful talk, learn more about ideas for burial (like "recomposting" and "conservation burial") that return our bodies back to the earth in an eco-friendly, humble and self-aware way.

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Beautiful new words to describe obscure emotions | John Koenig

Mar 10, 2017 - 00:07:28

John Koenig loves finding words that express our unarticulated feelings -- like "lachesism," the hunger for disaster, and "sonder," the realization that everyone else's lives are as complex and unknowable as our own. Here, he meditates on the meaning we assign to words and how these meanings latch onto us.

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How I'm fighting bias in algorithms | Joy Buolamwini

Mar 9, 2017 - 00:08:44

MIT grad student Joy Buolamwini was working with facial analysis software when she noticed a problem: the software didn't detect her face -- because the people who coded the algorithm hadn't taught it to identify a broad range of skin tones and facial structures. Now she's on a mission to fight bias in machine learning, a phenomenon she calls the "coded gaze." It's an eye-opening talk about the need for accountability in coding ... as algorithms take over more and more aspects of our lives.

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Why women should tell the stories of humanity | Jude Kelly

Mar 8, 2017 - 00:13:22

For many centuries (and for many reasons) critically acclaimed creative genius has generally come from a male perspective. As theater director Jude Kelly points out in this passionately reasoned talk, that skew affects how we interpret even non-fictional women's stories and rights. She thinks there's a more useful, more inclusive way to look at the world, and she calls on artists -- women and men -- to paint, draw, write about, film and imagine a gender-equal society.

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To raise brave girls, encourage adventure | Caroline Paul

Mar 7, 2017 - 00:12:41

Gutsy girls skateboard, climb trees, clamber around, fall down, scrape their knees, get right back up -- and grow up to be brave women. Learn how to spark a little productive risk-taking and raise confident girls with stories and advice from firefighter, paraglider and all-around adventurer Caroline Paul.

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I grew up in the Westboro Baptist Church. Here's why I left | Megan Phelps-Roper

Mar 6, 2017 - 00:15:17

What's it like to grow up within a group of people who exult in demonizing ... everyone else? Megan Phelps-Roper shares details of life inside America's most controversial church and describes how conversations on Twitter were key to her decision to leave it. In this extraordinary talk, she shares her personal experience of extreme polarization, along with some sharp ways we can learn to successfully engage across ideological lines.

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A scientific approach to the paranormal | Carrie Poppy

Mar 3, 2017 - 00:13:37

What's haunting Carrie Poppy? Is it ghosts or something worse? In this talk, the investigative journalist narrates her encounter with a spooky feeling you'll want to warn your friends about and explains why we need science to deal with paranormal activity.

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"Rollercoaster" | Sara Ramirez

Mar 3, 2017 - 00:04:59

Singer, songwriter and actress Sara Ramirez is a woman of many talents. Joined by Michael Pemberton on guitar, Ramirez sings of opportunity, wisdom and the highs and lows of life in this live performance of her song, "Rollercoaster."

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Stories from a home for terminally ill children | Kathy Hull

Mar 2, 2017 - 00:15:18

To honor and celebrate young lives cut short, Kathy Hull founded the first freestanding pediatric palliative care facility in the United States, the George Mark Children's House. Its mission: to give terminally ill children and their families a peaceful place to say goodbye. She shares stories brimming with wisdom, joy, imagination and heartbreaking loss.

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What I learned from 2,000 obituaries | Lux Narayan

Mar 1, 2017 - 00:06:08

Lux Narayan starts his day with scrambled eggs and the question: "Who died today?" Why? By analyzing 2,000 New York Times obituaries over a 20-month period, Narayan gleaned, in just a few words, what achievement looks like over a lifetime. Here he shares what those immortalized in print can teach us about a life well lived.

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This app makes it fun to pick up litter | Jeff Kirschner

Feb 28, 2017 - 00:06:10

The earth is a big place to keep clean. With Litterati -- an app for users to identify, collect and geotag the world's litter -- TED Resident Jeff Kirschner has created a community that's crowdsource-cleaning the planet. After tracking trash in more than 100 countries, Kirschner hopes to use the data he's collected to work with brands and organizations to stop litter before it reaches the ground.

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Smelfies, and other experiments in synthetic biology | Ani Liu

Feb 27, 2017 - 00:07:20

What if you could take a smell selfie, a smelfie? What if you had a lipstick that caused plants to grow where you kiss? Ani Liu explores the intersection of technology and sensory perception, and her work is wedged somewhere between science, design and art. In this swift, smart talk, she shares dreams, wonderings and experiments, asking: What happens when science fiction becomes science fact?

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The data behind Hollywood's sexism | Stacy Smith

Feb 24, 2017 - 00:15:44

Where are all the women and girls in film? Social scientist Stacy Smith analyzes how the media underrepresents and portrays women -- and the potentially destructive effects those portrayals have on viewers. She shares hard data behind gender bias in Hollywood, where on-screen males outnumber females three to one (and behind-the-camera workers fare even worse.)

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A few ways to fix an ailing government | Charity Wayua

Feb 23, 2017 - 00:11:51

Charity Wayua put her skills as a cancer researcher to use on an unlikely patient: the government of her native Kenya. She shares how she helped her government drastically improve its process for opening up new businesses, a crucial part of economic health and growth, leading to new investments and a World Bank recognition as a top reformer.

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A few ways to fix a government | Charity Wayua

Feb 23, 2017 - 00:11:51

Charity Wayua put her skills as a cancer researcher to use on an unlikely patient: the government of her native Kenya. She shares how she helped her government drastically improve its process for opening up new businesses, a crucial part of economic health and growth, leading to new investments and a World Bank recognition as a top reformer.

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A robot that eats pollution | Jonathan Rossiter

Feb 22, 2017 - 00:14:10

Meet the "Row-bot," a robot that cleans up pollution and generates the electricity needed to power itself by swallowing dirty water. Roboticist Jonathan Rossiter explains how this special swimming machine, which uses a microbial fuel cell to neutralize algal blooms and oil slicks, could be a precursor to biodegradable, autonomous pollution-fighting robots.

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The racial politics of time | Brittney Cooper

Feb 21, 2017 - 00:12:29

Cultural theorist Brittney Cooper examines racism through the lens of time, showing us how historically it has been stolen from people of color, resulting in lost moments of joy and connection, lost years of healthy quality of life and the delay of progress. A candid, thought-provoking take on history and race that may make you reconsider your understanding of time, and your place in it.

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Don't fear superintelligent AI | Grady Booch

Feb 17, 2017 - 00:10:20

New tech spawns new anxieties, says scientist and philosopher Grady Booch, but we don't need to be afraid an all-powerful, unfeeling AI. Booch allays our worst (sci-fi induced) fears about superintelligent computers by explaining how we'll teach, not program, them to share our human values. Rather than worry about an unlikely existential threat, he urges us to consider how artificial intelligence will enhance human life.

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How jails extort the poor | Salil Dudani

Feb 16, 2017 - 00:12:43

Why do we jail people for being poor? Today, half a million Americans are in jail only because they can't afford to post bail, and still more are locked up because they can't pay their debt to the court, sometimes for things as minor as unpaid parking tickets. Salil Dudani shares stories from individuals who have experienced debtors' prison in Ferguson, Missouri, challenging us to think differently about how we punish the poor and marginalized.

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3 ways to fix a broken news industry | Lara Setrakian

Feb 15, 2017 - 00:08:37

Something is very wrong with the news industry. Trust in the media has hit an all-time low; we're inundated with sensationalist stories, and consistent, high-quality reporting is scarce, says journalist Lara Setrakian. She shares three ways we can fix the news to better inform all of us about the complex issues of our time.

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How to practice safe sexting | Amy Adele Hasinoff

Feb 14, 2017 - 00:14:25

Sexting, like anything that's fun, runs its risks -- but a serious violation of privacy shouldn't be one of them. Amy Adele Hasinoff looks at problematic responses to sexting in mass media, law and education, offering practical solutions for how individuals and tech companies can protect sensitive (and, ahem, potentially scandalous) digital files.

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An electrifying acoustic guitar performance | Rodrigo y Gabriela

Feb 14, 2017 - 00:04:17

Guitar duo Rodrigo y Gabriela combine furiously fast riffs and dazzling rhythms to create a style that draws on both flamenco guitar and heavy metal in this live performance of their song, "The Soundmaker."

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How racism harms pregnant women -- and what can help | Miriam Zoila Pérez

Feb 13, 2017 - 00:12:25

Racism is making people sick -- especially black women and babies, says Miriam Zoila Pérez. The doula turned journalist explores the relationship between race, class and illness and tells us about a radically compassionate prenatal care program that can buffer pregnant women from the stress that people of color face every day.

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What it's like to be a parent in a war zone | Aala El-Khani

Feb 10, 2017 - 00:14:16

How do parents protect their children and help them feel secure again when their homes are ripped apart by war? In this warm-hearted talk, psychologist Aala El-Khani shares her work supporting -- and learning from -- refugee families affected by the civil war in Syria. She asks: How can we help these loving parents give their kids the warm, secure parenting they most need?

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4 ways to make a city more walkable | Jeff Speck

Feb 9, 2017 - 00:18:37

Freedom from cars, freedom from sprawl, freedom to walk your city! City planner Jeff Speck shares his "general theory of walkability" -- four planning principles to transform sprawling cities of six-lane highways and 600-foot blocks into safe, walkable oases full of bike lanes and tree-lined streets.

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New nanotech to detect cancer early | Joshua Smith

Feb 8, 2017 - 00:12:26

What if every home had an early-warning cancer detection system? Researcher Joshua Smith is developing a nanobiotechnology "cancer alarm" that scans for traces of disease in the form of special biomarkers called exosomes. In this forward-thinking talk, he shares his dream for how we might revolutionize cancer detection and, ultimately, save lives.

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Our story of rape and reconciliation | Tom Stranger / Thordis Elva

Feb 7, 2017 - 00:19:06

In 1996, Thordis Elva shared a teenage romance with Tom Stranger, an exchange student from Australia. After a school dance, Tom raped Thordis, after which they parted ways for many years. In this extraordinary talk, Elva and Stranger move through a years-long chronology of shame and silence, and invite us to discuss the omnipresent global issue of sexual violence in a new, honest way. For a Q&A with the speakers, visit go.ted.com/thordisandtom.

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Our story of rape and reconciliation | Thordis Elva and Tom Stranger

Feb 7, 2017 - 00:19:06

In 1996, Thordis Elva shared a teenage romance with Tom Stranger, an exchange student from Australia. After a school dance, Tom raped Thordis, after which they parted ways for many years. In this extraordinary talk, Elva and Stranger move through a years-long chronology of shame and silence, and invite us to discuss the omnipresent global issue of sexual violence in a new, honest way. For a Q&A with the speakers, visit go.ted.com/thordisandtom.

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The incredible inventions of intuitive AI | Maurice Conti

Feb 6, 2017 - 00:15:23

What do you get when you give a design tool a digital nervous system? Computers that improve our ability to think and imagine, and robotic systems that come up with (and build) radical new designs for bridges, cars, drones and much more -- all by themselves. Take a tour of the Augmented Age with futurist Maurice Conti and preview a time when robots and humans will work side-by-side to accomplish things neither could do alone.

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What time is it on Mars? | Nagin Cox

Feb 3, 2017 - 00:13:47

Nagin Cox is a first-generation Martian. As a spacecraft engineer at NASA's Jet Propulsion Laboratory, Cox works on the team that manages the United States' rovers on Mars. But working a 9-to-5 on another planet -- whose day is 40 minutes longer than Earth's -- has particular, often comical challenges.

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My son was a Columbine shooter. This is my story | Sue Klebold

Feb 2, 2017 - 00:15:18

Sue Klebold is the mother of Dylan Klebold, one of the two shooters who committed the Columbine High School massacre, murdering 12 students and a teacher. She's spent years excavating every detail of her family life, trying to understand what she could have done to prevent her son's violence. In this difficult, jarring talk, Klebold explores the intersection between mental health and violence, advocating for parents and professionals to continue to examine the link between suicidal and homicidal thinking.

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How to get better at the things you care about | Eduardo Briceño

Feb 1, 2017 - 00:11:22

Working hard but not improving? You're not alone. Eduardo Briceño reveals a simple way to think about getting better at the things you do, whether that's work, parenting or creative hobbies. And he shares some useful techniques so you can keep learning and always feel like you're moving forward.

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Why you should love statistics | Alan Smith

Jan 31, 2017 - 00:12:49

Think you're good at guessing stats? Guess again. Whether we consider ourselves math people or not, our ability to understand and work with numbers is terribly limited, says data visualization expert Alan Smith. In this delightful talk, Smith explores the mismatch between what we know and what we think we know.

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Help discover ancient ruins -- before it's too late | Sarah Parcak

Jan 30, 2017 - 00:21:48

Sarah Parcak uses satellites orbiting hundreds of miles above Earth to uncover hidden ancient treasures buried beneath our feet. There's a lot to discover; in the Egyptian Delta alone, Parcak estimates we've excavated less than a thousandth of one percent of what's out there. Now, with the 2016 TED Prize and an infectious enthusiasm for archaeology, she's developed an online platform called GlobalXplorer that enables anyone with an internet connection to discover unknown sites and protect what remains of our shared human inheritance.

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A young scientist's quest for clean water | Deepika Kurup

Jan 27, 2017 - 00:07:59

Deepika Kurup has been determined to solve the global water crisis since she was 14 years old, after she saw kids outside her grandparents' house in India drinking water that looked too dirty even to touch. Her research began in her family kitchen -- and eventually led to a major science prize. Hear how this teenage scientist developed a cost-effective, eco-friendly way to purify water.

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What we don't know about Europe's Muslim kids | Deeyah Khan

Jan 26, 2017 - 00:20:11

As the child of an Afghan mother and Pakistani father raised in Norway, Deeyah Khan knows what it's like to be a young person stuck between your community and your country. In this powerful, emotional talk, the filmmaker unearths the rejection and isolation felt by many Muslim kids growing up in the West -- and the deadly consequences of not embracing our youth before extremist groups do.

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Where is cybercrime really coming from? | Caleb Barlow

Jan 25, 2017 - 00:14:27

Cybercrime netted a whopping $450 billion in profits last year, with 2 billion records lost or stolen worldwide. Security expert Caleb Barlow calls out the insufficiency of our current strategies to protect our data. His solution? We need to respond to cybercrime with the same collective effort as we apply to a health care crisis, sharing timely information on who is infected and how the disease is spreading. If we're not sharing, he says, then we're part of the problem.

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Buildings that blend nature and city | Jeanne Gang

Jan 24, 2017 - 00:11:55

A skyscraper that channels the breeze ... a building that creates community around a hearth ... Jeanne Gang uses architecture to build relationships. In this engaging tour of her work, Gang invites us into buildings large and small, from a surprising local community center to a landmark Chicago skyscraper. "Through architecture, we can do much more than create buildings," she says. "We can help steady this planet we all share."

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The ethical dilemma of designer babies | Paul Knoepfler

Jan 23, 2017 - 00:18:19

Creating genetically modified people is no longer a science fiction fantasy; it's a likely future scenario. Biologist Paul Knoepfler estimates that within fifteen years, scientists could use the gene editing technology CRISPR to make certain "upgrades" to human embryos -- from altering physical appearances to eliminating the risk of auto-immune diseases. In this thought-provoking talk, Knoepfler readies us for the coming designer baby revolution and its very personal, and unforeseeable, consequences.

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How to have better political conversations | Robb Willer

Jan 20, 2017 - 00:12:01

Robb Willer studies the forces that unite and divide us. As a social psychologist, he researches how moral values -- typically a source of division -- can also be used to bring people together. Willer shares compelling insights on how we might bridge the ideological divide and offers some intuitive advice on ways to be more persuasive when talking politics.

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Art made of the air we breathe | Emily Parsons-Lord

Jan 19, 2017 - 00:10:49

Emily Parsons-Lord re-creates air from distinct moments in Earth's history -- from the clean, fresh-tasting air of the Carboniferous period to the soda-water air of the Great Dying to the heavy, toxic air of the future we're creating. By turning air into art, she invites us to know the invisible world around us. Breathe in the Earth's past and future in this imaginative, trippy talk.

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How online abuse of women has spiraled out of control | Ashley Judd

Jan 18, 2017 - 00:16:10

Enough with online hate speech, sexual harassment and threats of violence against women and marginalized groups. It's time to take the global crisis of online abuse seriously. In this searching, powerful talk, Ashley Judd recounts her ongoing experience of being terrorized on social media for her unwavering activism and calls on citizens of the internet, the tech community, law enforcement and legislators to recognize the offline harm of online harassment.

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What happens when you have a disease doctors can't diagnose | Jennifer Brea

Jan 17, 2017 - 00:17:07

Five years ago, TED Fellow Jennifer Brea became progressively ill with myalgic encephalomyelitis, commonly known as chronic fatigue syndrome, a debilitating illness that severely impairs normal activities and on bad days makes even the rustling of bed sheets unbearable. In this poignant talk, Brea describes the obstacles she's encountered in seeking treatment for her condition, whose root causes and physical effects we don't fully understand, as well as her mission to document through film the lives of patients that medicine struggles to treat.

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If a story moves you, act on it | Sisonke Msimang

Jan 13, 2017 - 00:12:46

Stories are necessary, but they're not as magical as they seem, says writer Sisonke Msimang. In this funny and thoughtful talk, Msimang questions our emphasis on storytelling and spotlights the decline of facts. During a critical time when listening has been confused for action, Msimang asks us to switch off our phones, step away from our screens and step out into the real world to create a plan for justice.

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To solve old problems, study new species | Alejandro Sánchez Alvarado

Jan 12, 2017 - 00:12:39

Nature is wonderfully abundant, diverse and mysterious -- but biological research today tends to focus on only seven species, including rats, chickens, fruit flies and us. We're studying an astonishingly narrow sliver of life, says biologist Alejandro Sánchez Alvarado, and hoping it'll be enough to solve the oldest, most challenging problems in science, like cancer. In this visually captivating talk, Alvarado calls on us to interrogate the unknown and shows us the remarkable discoveries that surface when we do.

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Meet the inventor of the electronic spreadsheet | Dan Bricklin

Jan 11, 2017 - 00:12:00

Dan Bricklin changed the world forever when he codeveloped VisiCalc, the first electronic spreadsheet and grandfather of programs you probably use every day like Microsoft Excel and Google Sheets. Join the software engineer and computing legend as he explores the tangled web of first jobs, daydreams and homework problems that led to his transformational invention.

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The next step in nanotechnology | George Tulevski

Jan 10, 2017 - 00:09:35

Every year the silicon computer chip shrinks in size by half and doubles in power, enabling our devices to become more mobile and accessible. But what happens when our chips can't get any smaller? George Tulevski researches the unseen and untapped world of nanomaterials. His current work: developing chemical processes to compel billions of carbon nanotubes to assemble themselves into the patterns needed to build circuits, much the same way natural organisms build intricate, diverse and elegant structures. Could they hold the secret to the next generation of computing?

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A better way to talk about love | Mandy Len Catron

Jan 9, 2017 - 00:15:17

In love, we fall. We're struck, we're crushed, we swoon. We burn with passion. Love makes us crazy and makes us sick. Our hearts ache, and then they break. Talking about love in this way fundamentally shapes how we experience it, says writer Mandy Len Catron. In this talk for anyone who's ever felt crazy in love, Catron highlights a different metaphor for love that may help us find more joy -- and less suffering -- in it.

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The lies we tell pregnant women | Sofia Jawed-Wessel

Jan 6, 2017 - 00:14:56

"When we tell women that sex isn't worth the risk during pregnancy, what we're telling her is that her sexual pleasure doesn't matter ... that she in fact doesn't matter," says sex researcher Sofia Jawed-Wessel. In this eye-opening talk, Jawed-Wessel mines our views about pregnancy and pleasure to lay bare the relationship between women, sex and systems of power.

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Want kids to learn well? Feed them well | Sam Kass

Jan 5, 2017 - 00:12:02

What can we expect our kids to learn if they're hungry or eating diets full of sugar and empty of nutrients? Former White House Chef and food policymaker Sam Kass discusses the role schools can play in nourishing students' bodies in addition to their minds.

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The world doesn't need more nuclear weapons | Erika Gregory

Jan 4, 2017 - 00:14:59

Today nine nations collectively control more than 15,000 nuclear weapons, each hundreds of times more powerful than those dropped on Hiroshima and Nagasaki. We don't need more nuclear weapons; we need a new generation to face the unfinished challenge of disarmament started decades ago. Nuclear reformer Erika Gregory calls on today's rising leaders -- those born in a time without Cold War fears and duck-and-cover training -- to pursue an ambitious goal: ridding the world of nuclear weapons by 2045.

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Are you a giver or a taker? | Adam Grant

Jan 3, 2017 - 00:13:28

In every workplace, there are three basic kinds of people: givers, takers and matchers. Organizational psychologist Adam Grant breaks down these personalities and offers simple strategies to promote a culture of generosity and keep self-serving employees from taking more than their share.

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How we explore unanswered questions in physics | James Beacham

Dec 22, 2016 - 00:15:54

James Beacham looks for answers to the most important open questions of physics using the biggest science experiment ever mounted, CERN's Large Hadron Collider. In this fun and accessible talk about how science happens, Beacham takes us on a journey through extra-spatial dimensions in search of undiscovered fundamental particles (and an explanation for the mysteries of gravity) and details the drive to keep exploring.

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It's time to reclaim and reinvent religion | Sharon Brous

Dec 21, 2016 - 00:16:27

At a moment when the world seems to be spinning out of control, religion might feel irrelevant -- or like part of the problem. But Rabbi Sharon Brous believes we can reinvent religion to meet the needs of modern life. In this impassioned talk, Brous shares four principles of a revitalized religious practice and offers faith of all kinds as a hopeful counter-narrative to the numbing realities of violence, extremism and pessimism.

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It's time to reclaim religion | Sharon Brous

Dec 21, 2016 - 00:16:27

At a moment when the world seems to be spinning out of control, religion might feel irrelevant -- or like part of the problem. But Rabbi Sharon Brous believes we can reinvent religion to meet the needs of modern life. In this impassioned talk, Brous shares four principles of a revitalized religious practice and offers faith of all kinds as a hopeful counter-narrative to the numbing realities of violence, extremism and pessimism.

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Why Earth may someday look like Mars | Anjali Tripathi

Dec 20, 2016 - 00:11:55

Every minute, 400 pounds of hydrogen and almost 7 pounds of helium escape from Earth's atmosphere into outer space. Astrophysicist Anjali Tripathi studies the phenomenon of atmospheric escape, and in this fascinating and accessible talk, she considers how this process might one day (a few billion years from now) turn our blue planet red.

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What will you tell your daughters about 2016? | Chinaka Hodge

Dec 20, 2016 - 00:03:57

With words like shards of glass, Chinaka Hodge cuts open 2016 and lets 12 months of violence, grief, fear, shame, courage and hope spill out in this original poem about a year none of us will soon forget.

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Will automation take away all our jobs? | David Autor

Dec 19, 2016 - 00:18:37

Here's a paradox you don't hear much about: despite a century of creating machines to do our work for us, the proportion of adults in the US with a job has consistently gone up for the past 125 years. Why hasn't human labor become redundant and our skills obsolete? In this talk about the future of work, economist David Autor addresses the question of why there are still so many jobs and comes up with a surprising, hopeful answer.

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How to gain control of your free time | Laura Vanderkam

Dec 16, 2016 - 00:11:54

There are 168 hours in each week. How do we find time for what matters most? Time management expert Laura Vanderkam studies how busy people spend their lives, and she's discovered that many of us drastically overestimate our commitments each week, while underestimating the time we have to ourselves. She offers a few practical strategies to help find more time for what matters to us, so we can "build the lives we want in the time we've got."

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How students of color confront impostor syndrome | Dena Simmons

Dec 15, 2016 - 00:10:20

As a black woman from a tough part of the Bronx who grew up to attain all the markers of academic prestige, Dena Simmons knows that for students of color, success in school sometimes comes at the cost of living authentically. Now an educator herself, Simmons discusses how we might create a classroom that makes all students feel proud of who they are. "Every child deserves an education that guarantees the safety to learn in the comfort of one's own skin," she says.

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Could a drug prevent depression and PTSD? | Rebecca Brachman

Dec 14, 2016 - 00:18:23

The path to better medicine is paved with accidental yet revolutionary discoveries. In this well-told tale of how science happens, neuroscientist Rebecca Brachman shares news of a serendipitous breakthrough treatment that may prevent mental disorders like depression and PTSD from ever developing. And listen for an unexpected -- and controversial -- twist.

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How AI can bring on a second Industrial Revolution | Kevin Kelly

Dec 13, 2016 - 00:13:44

"The actual path of a raindrop as it goes down the valley is unpredictable, but the general direction is inevitable," says digital visionary Kevin Kelly -- and technology is much the same, driven by patterns that are surprising but inevitable. Over the next 20 years, he says, our penchant for making things smarter and smarter will have a profound impact on nearly everything we do. Kelly explores three trends in AI we need to understand in order to embrace it and steer its development. "The most popular AI product 20 years from now that everyone uses has not been invented yet," Kelly says. "That means that you're not late."

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Why curiosity is the key to science and medicine | Kevin B. Jones

Dec 12, 2016 - 00:17:13

Science is a learning process that involves experimentation, failure and revision -- and the science of medicine is no exception. Cancer researcher Kevin B. Jones faces the deep unknowns about surgery and medical care with a simple answer: honesty. In a thoughtful talk about the nature of knowledge, Jones shows how science is at its best when scientists humbly admit what they do not yet understand.

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Do kids think of sperm donors as family? | Veerle Provoost

Dec 9, 2016 - 00:12:26

How do we define a parent -- or a family? Bioethicist Veerle Provoost explores these questions in the context of non-traditional families, ones brought together by adoption, second marriages, surrogate mothers and sperm donations. In this talk, she shares stories of how parents and children create their own family narratives.

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Say your truths and seek them in others | Elizabeth Lesser

Dec 8, 2016 - 00:15:44

In a lyrical, unexpectedly funny talk about heavy topics such as frayed relationships and the death of a loved one, Elizabeth Lesser describes the healing process of putting aside pride and defensiveness to make way for soul-baring and truth-telling. "You don't have to wait for a life-or-death situation to clean up the relationships that matter to you," she says. "Be like a new kind of first responder ... the one to take the first courageous step toward the other."

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What I learned from 100 days of rejection | Jia Jiang

Dec 7, 2016 - 00:15:31

Jia Jiang adventures boldly into a territory so many of us fear: rejection. By seeking out rejection for 100 days -- from asking a stranger to borrow $100 to requesting a "burger refill" at a restaurant -- Jiang desensitized himself to the pain and shame that rejection often brings and, in the process, discovered that simply asking for what you want can open up possibilities where you expect to find dead ends.

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Let's clean up the space junk orbiting Earth | Natalie Panek

Dec 6, 2016 - 00:10:15

Our lives depend on a world we can't see: the satellite infrastructure we use every day for information, entertainment, communication and so much more. But Earth orbit isn't a limitless resource, and the problem of space debris will get worse without a significant change to our behavior. Natalie Panek challenges us to consider the environmental impact of the satellites we rely on. Our orbital environment is breathtakingly beautiful and our gateway to exploration, she says. It's up to us to keep it that way.

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A queer vision of love and marriage | Kim Katrin Milan / Tiq Milan

Dec 5, 2016 - 00:17:07

Love is a tool for revolutionary change and a path toward inclusivity and understanding for the LGBTQ+ community. Married activists Tiq and Kim Katrin Milan have imagined their marriage -- as a transgender man and cis woman -- a model of possibility for people of every kind. With infectious joy, Tiq and Kim question our misconceptions about who they might be and offer a vision of an inclusive, challenging love that grows day by day.

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A queer vision of love and marriage | Tiq Milan and Kim Katrin Milan

Dec 5, 2016 - 00:17:07

Love is a tool for revolutionary change and a path toward inclusivity and understanding for the LGBTQ+ community. Married activists Tiq and Kim Katrin Milan have imagined their marriage -- as a transgender man and cis woman -- a model of possibility for people of every kind. With infectious joy, Tiq and Kim question our misconceptions about who they might be and offer a vision of an inclusive, challenging love that grows day by day.

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4 larger-than-life lessons from soap operas | Kate Adams

Dec 2, 2016 - 00:12:27

Soap operas and telenovelas may be (ahem) overdramatic, but as Kate Adams shows us, their exaggerated stories and characters often cast light on the problems of real life. In this sparkling, funny talk, Adams, a former assistant casting director for "As the World Turns," share four lessons for life and business that we can learn from melodramas.

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How an old loop of railroads is changing the face of a city | Ryan Gravel

Dec 1, 2016 - 00:11:26

Urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine. The places we live aren't inevitable, he says -- and if we want something different, we need to speak up.

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Maps that show us who we are (not just where we are) | Danny Dorling

Nov 30, 2016 - 00:14:07

What does the world look like when you map it using data? Social geographer Danny Dorling invites us to see the world anew, with his captivating and insightful maps that show Earth as it truly is -- a connected, ever-changing and fascinating place in which we all belong. You'll never look at a map the same way again.

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An interview with the founders of Black Lives Matter | Mia Birdsong / Patrisse Cullors / Opal Tometi / Alicia Garza

Nov 29, 2016 - 00:16:05

Born out of a social media post, the Black Lives Matter movement has sparked discussion about race and inequality across the world. In this spirited conversation with Mia Birdsong, the movement's three founders share what they've learned about leadership and what provides them with hope and inspiration in the face of painful realities. Their advice on how to participate in ensuring freedom for everybody: join something, start something and "sharpen each other, so that we all can rise."

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An interview with the founders of Black Lives Matter | Alicia Garza, Patrisse Cullors and Opal Tometi

Nov 29, 2016 - 00:16:05

Born out of a social media post, the Black Lives Matter movement has sparked discussion about race and inequality across the world. In this spirited conversation with Mia Birdsong, the movement's three founders share what they've learned about leadership and what provides them with hope and inspiration in the face of painful realities. Their advice on how to participate in ensuring freedom for everybody: join something, start something and "sharpen each other, so that we all can rise."

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We need nuclear power to solve climate change | Joe Lassiter

Nov 28, 2016 - 00:13:46

Joe Lassiter is a deep thinker and straight talker focused on developing clean, secure and carbon-neutral supplies of reliable, low-cost energy. His analysis of the world's energy realities puts a powerful lens on the stubbornly touchy issue of nuclear power, including new designs for plants that can compete economically with fossil fuels. We have the potential to make nuclear safer and cheaper than it's been in the past, Lassiter says. Now we have to make the choice to pursue it.

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How to speak up for yourself | Adam Galinsky

Nov 23, 2016 - 00:15:08

Speaking up is hard to do, even when you know you should. Learn how to assert yourself, navigate tricky social situations and expand your personal power with sage guidance from social psychologist Adam Galinsky.

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What will humans look like in 100 years? | Juan Enriquez

Nov 22, 2016 - 00:15:45

We can evolve bacteria, plants and animals -- futurist Juan Enriquez asks: Is it ethical to evolve the human body? In a visionary talk that ranges from medieval prosthetics to present day neuroengineering and genetics, Enriquez sorts out the ethics associated with evolving humans and imagines the ways we'll have to transform our own bodies if we hope to explore and live in places other than Earth.

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A political party for women's equality | Sandi Toksvig

Nov 21, 2016 - 00:19:48

Women's equality won't just happen -- not unless more women are put in positions of power, says Sandi Toksvig. In a disarmingly hilarious talk, Toksvig tells the story of how she helped start a new political party in Britain, the Women's Equality Party, with the express purpose of putting equality on the ballot. Now she hopes people around the world will copy her party's model and mobilize for equality.

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Math is the hidden secret to understanding the world | Roger Antonsen

Nov 18, 2016 - 00:17:04

Unlock the mysteries and inner workings of the world through one of the most imaginative art forms ever -- mathematics -- with Roger Antonsen, as he explains how a slight change in perspective can reveal patterns, numbers and formulas as the gateways to empathy and understanding.

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Help for kids the education system ignores | Victor Rios

Nov 17, 2016 - 00:11:53

Define students by what they contribute, not what they lack -- especially those with difficult upbringings, says educator Victor Rios. Interweaved with his personal tale of perseverance as an inner-city youth, Rios identifies three straightforward strategies to shift attitudes in education and calls for fellow educators to see "at-risk" students as "at-promise" individuals brimming with resilience, character and grit.

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The playful wonderland behind great inventions | Steven Johnson

Nov 16, 2016 - 00:07:25

Necessity is the mother of invention, right? Well, not always. Steven Johnson shows us how some of the most transformative ideas and technologies, like the computer, didn't emerge out of necessity at all but instead from the strange delight of play. Share this captivating, illustrated exploration of the history of invention. Turns out, you'll find the future wherever people are having the most fun.

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How the blockchain will radically transform the economy | Bettina Warburg

Nov 15, 2016 - 00:14:57

Say hello to the decentralized economy -- the blockchain is about to change everything. In this lucid explainer of the complex (and confusing) technology, Bettina Warburg describes how the blockchain will eliminate the need for centralized institutions like banks or governments to facilitate trade, evolving age-old models of commerce and finance into something far more interesting: a distributed, transparent, autonomous system for exchanging value.

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The urgency of intersectionality | Kimberlé Crenshaw / Abby Dobson

Nov 14, 2016 - 00:18:49

Now more than ever, it's important to look boldly at the reality of race and gender bias -- and understand how the two can combine to create even more harm. Kimberlé Crenshaw uses the term "intersectionality" to describe this phenomenon; as she says, if you're standing in the path of multiple forms of exclusion, you're likely to get hit by both. In this moving talk, she calls on us to bear witness to this reality and speak up for victims of prejudice.

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The urgency of intersectionality | Kimberlé Crenshaw

Nov 14, 2016 - 00:18:49

Now more than ever, it's important to look boldly at the reality of race and gender bias -- and understand how the two can combine to create even more harm. Kimberlé Crenshaw uses the term "intersectionality" to describe this phenomenon; as she says, if you're standing in the path of multiple forms of exclusion, you're likely to get hit by both. In this moving talk, she calls on us to bear witness to this reality and speak up for victims of prejudice.

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We train soldiers for war. Let's train them to come home, too | Hector Garcia

Nov 11, 2016 - 00:10:31

Before soldiers are sent into combat, they're trained on how to function in an immensely dangerous environment. But they also need training on how to return from the battlefield to civilian life, says psychologist Hector Garcia. Applying the same principles used to prepare soldiers for war, Garcia is helping veterans suffering from PTSD get their lives back.

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Easy DIY projects for kid engineers | Fawn Qiu

Nov 10, 2016 - 00:07:03

TED Resident Fawn Qiu designs fun, low-cost projects that use familiar materials like paper and fabric to introduce engineering to kids. In this quick, clever talk, she shares how nontraditional workshops like hers can change the perception of technology and inspire students to participate in creating it.

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Can a divided America heal? | Jonathan Haidt

Nov 8, 2016 - 00:20