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18:51
8 092 342

How to spot a liar

On any given day we're lied to from 10 to 200 times, and the clues to detect those lie can be subtle and counter-intuitive. Pamela Meyer, author of Liespotting, shows the manners and "hotspots" used by those trained to recognize deception -- and she argues honesty is a value worth preserving.
15:17
1 389 574

I grew up in the Westboro Baptist Church. Here's why I left

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
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07:26
845 618

The hidden power of smiling

Ron Gutman reviews a raft of studies about smiling, and reveals some surprising results. Did you know your smile can be a predictor of how long you'll live -- and that a simple smile has a measurable effect on your overall well-being? Prepare to flex a few facial muscles as you learn more about this evolutionarily contagious behavior.
34:09
806 158

Why we make bad decisions

Dan Gilbert presents research and data from his exploration of happiness -- sharing some surprising tests and experiments that you can also try on yourself. Watch through to the end for a sparkling Q&A with some familiar TED faces.
17:26
798 246

Dan Ariely asks, Are we in control of our own decisions?

Behavioral economist Dan Ariely, the author of Predictably Irrational, uses classic visual illusions and his own counterintuitive (and sometimes shocking) research findings to show how we're not as rational as we think when we make decisions.
17:33
475 884

A Darwinian theory of beauty

TED collaborates with animator Andrew Park to illustrate Denis Dutton's provocative theory on beauty -- that art, music and other beautiful things, far from being simply "in the eye of the beholder," are a core part of human nature with deep evolutionary origins.
15:18
450 586

My son was a Columbine shooter. This is my story

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
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08:44
413 587

What's so funny about mental illness?

Diseases of the body garner sympathy, says comedian Ruby Wax -- except those of the brain. Why is that? With dazzling energy and humor, Wax, diagnosed a decade ago with clinical depression, urges us to put an end to the stigma of mental illness.
21:58
409 198

The opportunity of adversity

The thesaurus might equate "disabled" with synonyms like "useless" and "mutilated," but ground-breaking runner Aimee Mullins is out to redefine the word. Defying these associations, she shows how adversity -- in her case, being born without shinbones -- actually opens the door for human potential.
23:23
278 637

Lead like the great conductors

An orchestra conductor faces the ultimate leadership challenge: creating perfect harmony without saying a word. In this charming talk, Itay Talgam demonstrates the unique styles of six great 20th-century conductors, illustrating crucial lessons for all leaders.
15:51
245 359

An art made of trust, vulnerability and connection

Marina Abramović's art pushes the boundary between audience and artist in pursuit of heightened consciousness and personal change. In her groundbreaking 2010 work, "The Artist Is Present," she simply sat in a chair facing her audience, for eight hours a day ... with powerfully moving results. Her boldest work may still be yet to come — it's taking the form of a
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17:23
236 197

The tribes we lead

Seth Godin argues the Internet has ended mass marketing and revived a human social unit from the distant past: tribes. Founded on shared ideas and values, tribes give ordinary people the power to lead and make big change. He urges us to do so.
18:06
228 062

Trial, error and the God complex

Economics writer Tim Harford studies complex systems -- and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and start making better mistakes.
18:44
194 954

The hidden influence of social networks

We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits -- from happiness to obesity -- can spread from person to person, showing how your location in the network might impact your life in ways you don't even know.
16:36
163 399

David Logan on tribal leadership

At TEDxUSC, David Logan talks about the five kinds of tribes that humans naturally form -- in schools, workplaces, even the driver's license bureau. By understanding our shared tribal tendencies, we can help lead each other to become better individuals.
16:20
139 297

Dan Ariely on our buggy moral code

Behavioral economist Dan Ariely studies the bugs in our moral code: the hidden reasons we think it's OK to cheat or steal (sometimes). Clever studies help make his point that we're predictably irrational -- and can be influenced in ways we can't grasp.
19:19
138 277

Uber's plan to get more people into fewer cars

Uber didn't start out with grand ambitions to cut congestion and pollution. But as the company took off, co-founder Travis Kalanick wondered if there was a way to get people using Uber along the same routes to share rides, reducing costs and carbon footprint along the way. The result: uberPOOL, the company's carpooling service, which in its first eight months took 7.9
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14:28
136 551

Can we build AI without losing control over it?

Scared of superintelligent AI? You should be, says neuroscientist and philosopher Sam Harris — and not just in some theoretical way. We're going to build superhuman machines, says Harris, but we haven't yet grappled with the problems associated with creating something that may treat us the way we treat ants.
17:52
133 744

Why the only future worth building includes everyone

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
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11:27
126 805

The beauty of human skin in every color

Angélica Dass's photography challenges how we think about skin color and ethnic identity. In this personal talk, hear about the inspiration behind her portrait project, Humanæ, and her pursuit to document humanity's true colors rather than the untrue white, red, black and yellow associated with race.
18:07
126 388

A radical experiment in empathy

By leading the Americans in his audience at TEDxPSU step by step through the thought process, sociologist Sam Richards sets an extraordinary challenge: can they understand -- not approve of, but understand -- the motivations of an Iraqi insurgent? And by extension, can anyone truly understand and empathize with another?
18:43
121 286

The social animal

Tapping into the findings of his latest book, NYTimes columnist David Brooks unpacks new insights into human nature from the cognitive sciences -- insights with massive implications for economics and politics as well as our own self-knowledge. In a talk full of humor, he shows how you can't hope to understand humans as separate individuals making choices based on
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15:08
120 106

How to speak up for yourself

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.
25:56
119 865

The technology of the heart

His Holiness the Karmapa talks about how he was discovered to be the reincarnation of a revered figure in Tibetan Buddhism. In telling his story, he urges us to work on not just technology and design, but the technology and design of the heart. He is translated onstage by Tyler Dewar.
23:13
117 031

Steven Strogatz on sync

Mathematician Steven Strogatz shows how flocks of creatures (like birds, fireflies and fish) manage to synchronize and act as a unit -- when no one's giving orders. The powerful tendency extends into the realm of objects, too.
11:55
103 790

Buildings that blend nature and city

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
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15:45
102 873

The US needs paid family leave — for the sake of its future

We need women to work, and we need working women to have babies. So why is America one of the only countries in the world that offers no national paid leave to new working mothers? In this incisive talk, Jessica Shortall makes the impassioned case that the reality of new working motherhood in America is both hidden and horrible: millions of women, every year, are
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03:15
102 838

David Byrne sings "(Nothing But) Flowers"

David Byrne sings the Talking Heads' 1988 hit, "(Nothing But) Flowers." He's accompanied by Thomas Dolby and string quartet Ethel, who made up the TED2010 house band.
13:42
102 473

3 ways to plan for the (very) long term

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.
11:22
89 581

How the Internet enables intimacy

We worry that IM, texting, Facebook are spoiling human intimacy, but Stefana Broadbent's research shows how communication tech is capable of cultivating deeper relationships, bringing love across barriers like distance and workplace rules.
20:46
87 644

Clay Shirky on institutions vs. collaboration

In this prescient 2005 talk, Clay Shirky shows how closed groups and companies will give way to looser networks where small contributors have big roles and fluid cooperation replaces rigid planning.
19:05
84 823

Technology hasn't changed love. Here's why

In our tech-driven, interconnected world, we've developed new ways and rules to court each other, but the fundamental principles of love have stayed the same, says anthropologist Helen Fisher. Our faster connections, she suggests, are actually leading to slower, more intimate relationships. At 12:20, couples therapist and relationship expert Esther Perel steps in to
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10:44
80 276

Addiction is a disease. We should treat it like one

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
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17:42
79 171

Machine intelligence makes human morals more important

Machine intelligence is here, and we're already using it to make subjective decisions. But the complex way AI grows and improves makes it hard to understand and even harder to control. In this cautionary talk, techno-sociologist Zeynep Tufekci explains how intelligent machines can fail in ways that don't fit human error patterns — and in ways we won't expect or be
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16:28
78 336

It's time to reclaim religion

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
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16:35
77 017

What if our healthcare system kept us healthy?

Rebecca Onie asks audacious questions: What if waiting rooms were a place to improve daily health care? What if doctors could prescribe food, housing and heat in the winter? At TEDMED she describes Health Leads, an organization that does just that -- and does it by building a volunteer base as elite and dedicated as a college sports team.
14:15
75 787

A conservative's plea: Let's work together

Conservatives and liberals both believe that they alone are motivated by love while their opponents are motivated by hate. How can we solve problems with so much polarization? In this talk, social scientist Arthur Brooks shares ideas for what we can each do as individuals to break the gridlock. "We might just be able to take the ghastly holy war of ideology that we're
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13:45
69 791

The conversation we're not having about digital child abuse

We need to talk to kids about the risks they face online, says information security expert Sebastián Bortnik. In this talk, Bortnik discusses the issue of "grooming" — the sexual predation of children by adults on the internet — and outlines the conversations we need to start having about technology to keep our kids safe. (In Spanish with English subtitles)
09:41
69 534

The year I was homeless

Becky Blanton planned to live in her van for a year and see the country, but when depression set in and her freelance job ended, her camping trip turned into homelessness. In this intimate talk, she describes her experience of becoming one of America's working homeless.
13:34
68 159

There's no such thing as not voting

Many people like to talk about how important voting is, how it's your civic duty and responsibility as an adult. Eric Liu agrees with all that, but he also thinks it's time to bring joy back to the ballot box. The former political speechwriter details how he and his team are fostering the culture around voting in the 2016 US presidential election — and closes with a
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08:57
67 629

The secret to effective nonviolent resistance

We're not going to end violence by telling people that it's morally wrong, says Jamila Raqib, executive director of the Albert Einstein Institution. Instead, we must find alternative ways to conduct conflict that are equally powerful and effective. Raqib promotes nonviolent resistance to people living under tyranny — and there's a lot more to it than street protests.
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18:25
61 191

How social networks predict epidemics

After mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began investigating how this information could better our lives. Now, he reveals his hot-off-the-press findings: These networks can be used to detect epidemics earlier than ever, from the spread of innovative ideas to risky behaviors to viruses (like H1N1).
14:52
60 198

The lies we tell pregnant women

"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.
13:33
58 600

Let's design social media that drives real change

Wael Ghonim helped touch off the Arab Spring in his home of Egypt ... by setting up a simple Facebook page. As he reveals, once the revolution spilled onto the streets, it turned from hopeful to messy, then ugly and heartbreaking. And social media followed suit. What was once a place for crowdsourcing, engaging and sharing became a polarized battleground. Ghonim asks:
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06:48
58 466

Why genetic research must be more diverse

Ninety-six percent of genome studies are based on people of European descent. The rest of the world is virtually unrepresented — and this is dangerous, says geneticist and TED Fellow Keolu Fox, because we react to drugs differently based on our genetic makeup. Fox is working to democratize genome sequencing, specifically by advocating for indigenous populations to get
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16:15
54 659

Online social change: easy to organize, hard to win

Today, a single email can launch a worldwide movement. But as sociologist Zeynep Tufekci suggests, even though online activism is easy to grow, it often doesn't last. Why? She compares modern movements — Gezi, Ukraine, Hong Kong — to the civil rights movement of the 1960s, and uncovers a surprising benefit of organizing protest movements the way it happened before
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17:43
51 832

Yves Behar on designing objects that tell stories

Designer Yves Behar digs up his creative roots to discuss some of the iconic objects he's created (the Leaf lamp, the Jawbone headset). Then he turns to the witty, surprising, elegant objects he's working on now -- including the "$100 laptop."
16:05
50 729

An interview with the founders of Black Lives Matter

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
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14:22
42 555

Why civilians suffer more once a war is over

In a war, it turns out that violence isn't the biggest killer of civilians. What is? Illness, hunger, poverty — because war destroys the institutions that keep society running, like utilities, banks, food systems and hospitals. Physician Margaret Bourdeaux proposes a bold approach to post-conflict recovery, setting priorities on what to fix first
07:10
40 225

Why open a school? To close a prison

Our kids are our future, and it's crucial they believe it themselves. That's why Nadia Lopez opened an academic oasis in Brownsville, Brooklyn, one of the most underserved and violent neighborhoods in New York — because she believes in every child's brilliance and capabilities. In this short, energizing talk, the founding principal of Mott Hall Bridges Academy (and a
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20:01
39 524

How common threats can make common (political) ground

If an asteroid were headed for Earth, we'd all band together and figure out how to stop it, just like in the movies, right? And yet, when faced with major, data-supported, end-of-the-world problems in real life, too often we retreat into partisan shouting and stalemate. Jonathan Haidt shows us a few of the very real asteroids headed our way -- some pet causes of the
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11:15
37 576

Your company's data could help end world hunger

Your company might have donated money to help solve humanitarian issues, but you could have something even more useful to offer: your data. Mallory Soldner shows us how private sector companies can help make real progress on big problems — from the refugee crisis to world hunger — by donating untapped data and decision scientists. What might your company be able to
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13:12
37 005

A new way to fight corruption

Shaffi Mather explains why he left his first career to become a social entrepreneur, providing life-saving transportation with his company 1298 for Ambulance. Now, he has a new idea and plans to begin a company to fight the booming business of corruption in public service, eliminating it one bribe at a time.
14:56
29 352

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

Wish you could vote in another country's election? Simon Anholt unveils the Global Vote, an online platform that lets anybody, anywhere in the world, "vote" in the election of any country on earth (with surprising results).
14:58
27 423

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

"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.
18:10
26 506

The ethical dilemma of designer babies

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
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13:08
18 497

A climate solution where all sides can win

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
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15:01
18 473

Noah Feldman says politics and religion are technologies

Noah Feldman makes a searing case that both politics and religion -- whatever their differences -- are similar technologies, designed to efficiently connect and manage any group of people.
09:32
18 293

Kiran Bir Sethi teaches kids to take charge

Kiran Bir Sethi shows how her groundbreaking Riverside School in India teaches kids life's most valuable lesson: "I can." Watch her students take local issues into their own hands, lead other young people, even educate their parents.
07:32
16 212

Am I not human? A call for criminal justice reform

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
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23:17
16 185

C.K. Williams' poetry of youth and age

Poet C.K. Williams reads his work at TED2001. As he colors scenes of childhood resentments, college loves, odd neighbors and the literal death of youth, he reminds us of the unique challenges of living.
18:38
13 665

The refugee crisis is a test of our character

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
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08:30
13 026

Why I speak up about living with epilepsy

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.
15:10
11 889

A secret weapon against Zika and other mosquito-borne diseases

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.
10:48
9 115

A tribute to nurses

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.
17:27
8 734

Why Brexit happened — and what to do next

We are embarrassingly unaware of how divided our societies are, and Brexit grew out of a deep, unexamined divide between those that fear globalization and those that embrace it, says social scientist Alexander Betts. How do we now address that fear as well as growing disillusionment with the political establishment, while refusing to give in to xenophobia and
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10:37
8 534

Why school should start later for teens

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.
14:21
4 949

How to raise successful kids — without over-parenting

By loading kids with high expectations and micromanaging their lives at every turn, parents aren't actually helping. At least, that's how Julie Lythcott-Haims sees it. With passion and wry humor, the former Dean of Freshmen at Stanford makes the case for parents to stop defining their children's success via grades and test scores. Instead, she says, they should focus
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08:43
4 735

"Redemption Song"

John Legend is on a mission to transform America's criminal justice system. Through his Free America campaign, he's encouraging rehabilitation and healing in our prisons, jails and detention centers — and giving hope to those who want to create a better life after serving their time. With a spoken-word prelude from James Cavitt, an inmate at San Quentin State Prison,
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12:50
4 643

What makes a good life? Lessons from the longest study on happiness

What keeps us happy and healthy as we go through life? If you think it's fame and money, you're not alone – but, according to psychiatrist Robert Waldinger, you're mistaken. As the director of a 75-year-old study on adult development, Waldinger has unprecedented access to data on true happiness and satisfaction. In this talk, he shares three important lessons learned
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15:01
4 269

How the blockchain will radically transform the economy

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
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14:02
2 459

How fear of nuclear power is hurting the environment

"We're not in a clean energy revolution; we're in a clean energy crisis," says climate policy expert Michael Shellenberger. His surprising solution: nuclear. In this passionate talk, he explains why it's time to overcome longstanding fears of the technology, and why he and other environmentalists believe it's past time to embrace nuclear as a viable and desirable
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17:15
2 373

When online shaming spirals out of control

Twitter gives a voice to the voiceless, a way to speak up and hit back at perceived injustice. But sometimes, says Jon Ronson, things go too far. In a jaw-dropping story of how one un-funny tweet ruined a woman's life and career, Ronson shows how online commenters can end up behaving like a baying mob — and says it's time to rethink how we interact online.
12:29
2 170

Gene editing can now change an entire species — forever

CRISPR gene drives allow scientists to change sequences of DNA and guarantee that the resulting edited genetic trait is inherited by future generations, opening up the possibility of altering entire species forever. More than anything, the technology has led to questions: How will this new power affect humanity? What are we going to use it to change? Are we gods now?
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15:52
2 080

Bring on the female superheroes!

Why is it so hard to find female superhero merchandise? In this passionate, sparkling talk, media studies scholar (and father of a Star Wars-obsessed daughter) Christopher Bell addresses the alarming lack of female superheroes in the toys and products marketed to kids — and what it means for how we teach them about the world.
19:19
1 954

A boat carrying 500 refugees sunk at sea. The story of two survivors

Aboard an overloaded ship carrying more than 500 refugees, a young woman becomes an unlikely hero. This single, powerful story, told by Melissa Fleming of the UN's refugee agency, gives a human face to the sheer numbers of human beings trying to escape to better lives ... as the refugee ships keep coming ...
24:08
1 797

Sheena Iyengar on the art of choosing

Sheena Iyengar studies how we make choices -- and how we feel about the choices we make. At TEDGlobal, she talks about both trivial choices (Coke v. Pepsi) and profound ones, and shares her groundbreaking research that has uncovered some surprising attitudes about our decisions.
12:05
1 607

How to have better political conversations

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.
11:54
1 524

This is what LGBT life is like around the world

As a gay couple in San Francisco, Jenni Chang and Lisa Dazols had a relatively easy time living the way they wanted. But outside the bubble of the Bay Area, what was life like for people still lacking basic rights? They set off on a world tour in search of "Supergays," LGBT people who were doing something extraordinary in the world. In 15 countries across Africa, Asia
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11:50
1 465

3 ways to spot a bad statistic

Sometimes it's hard to know what statistics are worthy of trust. 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.
04:40
1 364

A visual history of social dance in 25 moves

Why do we dance? African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric demonstration, packed with live performances, choreographer, educator and TED Fellow Camille A. Brown explores what happens when
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08:26
1 080

Know your worth, and then ask for it

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.
13:55
1 042

How America's public schools keep kids in poverty

Why should a good education be exclusive to rich kids? Schools in low-income neighborhoods across the US, specifically in communities of color, lack resources that are standard at wealthier schools — things like musical instruments, new books, healthy school lunches and soccer fields — and this has a real impact on the potential of students. Kandice Sumner sees the
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10:52
1 037

Why I keep speaking up, even when people mock my accent

Artist Safwat Saleem grew up with a stutter — but as an independent animator, he decided to do his own voiceovers to give life to his characters. When YouTube commenters started mocking his Pakistani accent, it crushed him, and his voice began to leave his work. Hear how this TED Fellow reclaimed his voice and confidence in this charming, thoughtful talk.
10:41
1 005

I survived a terrorist attack. Here's what I learned

Gill Hicks's story is one of compassion and humanity, emerging from the ashes of chaos and hate. A survivor of the London terrorist bombings on July 7, 2005, she shares her story of the events of that day — and the profound lessons that came as she learned how to live on.
17:54
968

The laws that sex workers really want

Everyone has an opinion about how to legislate sex work (whether to legalize it, ban it or even tax it) ... but what do workers themselves think would work best? Activist Toni Mac explains four legal models that are being used around the world and shows us the model that she believes will work best to keep sex workers safe and offer greater self-determination. "If you
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10:53
942

Let's teach for mastery — not test scores

Would you choose to build a house on top of an unfinished foundation? Of course not. Why, then, do we rush students through education when they haven't always grasped the basics? Yes, it's complicated, but educator Sal Khan shares his plan to turn struggling students into scholars by helping them master concepts at their own pace. (This talk comes from the PBS special
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13:38
930

The real harm of the global arms trade

In some parts of the world, it's easier to get an automatic rifle than a glass of clean drinking water. Is this just the way it is? Samantha Nutt, doctor and founder of the international humanitarian organization War Child, explores the global arms trade — and suggests a bold, common sense solution for ending the cycle of violence. "War is ours," she says. "We buy it,
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11:30
924

A project of peace, painted across 50 buildings

eL Seed fuses Arabic calligraphy with graffiti to paint colorful, swirling messages of hope and peace on buildings from Tunisia to Paris. The artist and TED Fellow shares the story of his most ambitious project yet: a mural painted across 50 buildings in Manshiyat Naser, a district of Cairo, Egypt, that can only be fully seen from a nearby mountain.
12:24
921

Enough with the fear of fat

In a society obsessed with body image and marked by a fear of fat, Kelli Jean Drinkwater engages in radical body politics through art. She confronts the public's perception of bigger bodies by bringing them into spaces that were once off limits — from fashion runways to the Sydney Festival — and entices all of us to look again and rethink our biases. "Unapologetic fat
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10:24
914

Don't fear superintelligent AI

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
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15:49
852

What will humans look like in 100 years?

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
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09:43
843

The heartbreaking text that inspired a crisis help line

When a young woman texted DoSomething.org with a heartbreaking cry for help, the organization responded by opening a nationwide Crisis Text Line to provide an outlet for people in pain. Nearly 10 million text messages later, the organization is using the privacy and power of text messaging to help people with issues such as addiction, suicidal thoughts, eating
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06:13
830

What I learned from 2,000 obituaries

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.
15:41
826

How the US should use its superpower status

Americanization and globalization have basically been the same thing for the last several generations. But the US's view of the world — and the world's view of the US — is changing. In a fast-paced tour of the current state of international politics, Ian Bremmer discusses the challenges of a world where no single country or alliance can meet the challenges of global
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10:29
684

How Syria's architecture laid the foundation for brutal war

What caused the war in Syria? Oppression, drought and religious differences all played key roles, but Marwa Al-Sabouni suggests another reason: architecture. Speaking to us over the Internet from Homs, where for the last six years she has watched the war tear her city apart, Al-Sabouni suggests that Syria's architecture divided its once tolerant and multicultural
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15:37
671

When Black women walk, things change

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
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14:40
616

The problem with race-based medicine

Social justice advocate and law scholar Dorothy Roberts has a precise and powerful message: Race-based medicine is bad medicine. Even today, many doctors still use race as a medical shortcut; they make important decisions about things like pain tolerance based on a patient's skin color instead of medical observation and measurement. In this searing talk, Roberts lays
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13:18
616

3 reasons why we can win the fight against poverty

Half of the world's poorest people have something in common: they're small farmers. In this eye-opening talk, activist Andrew Youn shows how his group, One Acre Fund, is helping these farmers lift themselves out of poverty by delivering to them life-sustaining farm services that are already in use all over the world. Enter this talk believing we'll never be able to
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13:38
590

There's no such thing as not voting

Many people like to talk about how important voting is, how it's your civic duty and responsibility as an adult. Eric Liu agrees with all that, but he also thinks it's time to bring joy back to the ballot box. The former political speechwriter details how he and his team are fostering the culture around voting in the 2016 US presidential election — and closes with a
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07:48
557

Your smartphone is a civil rights issue

The smartphone you use reflects more than just personal taste ... it could determine how closely you can be tracked, too. Privacy expert and TED Fellow Christopher Soghoian details a glaring difference between the encryption used on Apple and Android devices and urges us to pay attention to a growing digital security divide. "If the only people who can protect
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13:22
498

When we design for disability, we all benefit

"I believe that losing my hearing was one of the greatest gifts I've ever received," says Elise Roy. As a disability rights lawyer and design thinker, she knows that being Deaf gives her a unique way of experiencing and reframing the world — a perspective that could solve some of our largest problems. As she says: "When we design for disability first, you often
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10:36
431

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

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.
09:23
430

The moral bias behind your search results

Search engines have become our most trusted sources of information and arbiters of truth. But can we ever get an unbiased search result? Swedish author and journalist Andreas Ekström argues that such a thing is a philosophical impossibility. In this thoughtful talk, he calls on us to strengthen the bonds between technology and the humanities, and he reminds us that
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13:48
382

How AI can bring on a second Industrial Revolution

"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
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13:46
365

The untapped genius that could change science for the better

Jedidah Isler dreamt of becoming an astrophysicist since she was a young girl, but the odds were against her: At that time, only 18 black women in the United States had ever earned a PhD in a physics-related discipline. In this personal talk, she shares the story of how she became the first black woman to earn a PhD in astrophysics from Yale — and her deep belief in
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15:04
364

Every piece of art you've ever wanted to see — up close and searchable

What does a cultural Big Bang look like? For Amit Sood, director of Google's Cultural Institute and Art Project, it's an online platform where anyone can explore the world's greatest collections of art and artifacts in vivid, lifelike detail. Join Sood and Google artist in residence Cyril Diagne in a mind-bending demo of experiments from the Cultural Institute and
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08:41
339

3 ways to fix a broken news industry

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.
17:12
316

We've stopped trusting institutions and started trusting strangers

Something profound is changing our concept of trust, says Rachel Botsman. While we used to place our trust in institutions like governments and banks, today we increasingly rely on others, often strangers, on platforms like Airbnb and Uber and through technologies like the blockchain. This new era of trust could bring with it a more transparent, inclusive and
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12:45
315

To raise brave girls, encourage adventure

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.
15:35
315

Behind the lies of Holocaust denial

"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.
07:33
296

Beautiful new words to describe obscure emotions

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.
18:21
292

The risky politics of progress

Global problems such as terrorism, inequality and political dysfunction aren't easy to solve, but that doesn't mean we should stop trying. In fact, suggests journalist Jonathan Tepperman, we might even want to think riskier. He traveled the world to ask global leaders how they're tackling hard problems — and unearthed surprisingly hopeful stories that he's distilled
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15:23
243

Stories from a home for terminally ill children

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.
11:55
229

A few ways to fix a government

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.
11:57
168

Help for kids the education system ignores

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"
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07:33
157

Why you should know how much your coworkers get paid

How much do you get paid? How does it compare to the people you work with? You should know, and so should they, says management researcher David Burkus. In this talk, Burkus questions our cultural assumptions around keeping salaries secret and makes a compelling case for why sharing them could benefit employees, organizations and society.
05:27
150

An intergalactic guide to using a defibrillator

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
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16:21
145

The future of money

What happens when the way we buy, sell and pay for things changes, perhaps even removing the need for banks or currency exchange bureaus? That's the radical promise of a world powered by cryptocurrencies like Bitcoin and Ethereum. We're not there yet, but in this sparky talk, digital currency researcher Neha Narula describes the collective fiction of money — and
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09:37
98

How to exploit democracy

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.
13:12
87

How the Panama Papers journalists broke the biggest leak in history

Gerard Ryle led the international team that divulged the Panama Papers, the 11.5 million leaked documents from 40 years of activity of the Panamanian law firm Mossack Fonseca that have offered an unprecedented glimpse into the scope and methods of the secretive world of offshore finance. Hear the story behind the biggest collaborative journalism project in history.
13:51
74

We need nuclear power to solve climate change

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
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17:26
53

Inside the mind of a former radical jihadist

"For a long time, I lived for death," says Manwar Ali, a former radical jihadist who participated in violent, armed campaigns in the Middle East and Asia in the 1980s. In this moving talk, he reflects on his experience with radicalization and makes a powerful, direct appeal to anyone drawn to Islamist groups that claim violence and brutality are noble and virtuous:
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09:10
08

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

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."
12:06
02

Want kids to learn well? Feed them well

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.
12:50
02

How do you build a sacred space?

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.
07:09
02

A summer school kids actually want to attend

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
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