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18:16
1 023 614

Lessons from death row inmates

What happens before a murder? In looking for ways to reduce death penalty cases, David R. Dow realized that a surprising number of death row inmates had similar biographies. In this talk he proposes a bold plan, one that prevents murders in the first place. (Filmed at TEDxAustin.)
18:10
590 427

The nerd's guide to learning everything online

Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn — we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning that he found in online video.
09:17
497 725

I’m not your inspiration, thank you very much

Stella Young is a comedian and journalist who happens to go about her day in a wheelchair — a fact that doesn’t, she’d like to make clear, automatically turn her into a noble inspiration to all humanity. In this very funny talk, Young breaks down society's habit of turning disabled people into “inspiration porn.”
12:26
417 400

Why some of us don't have one true calling

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?
14:01
292 543

What does my headscarf mean to you?

What do you think when you look at this speaker? Well, think again. (And then again.) In this funny, honest, empathetic talk, Yassmin Abdel-Magied challenges us to look beyond our initial perceptions, and to open doors to new ways of supporting others.
15:47
215 873

Fighting with non-violence

How do you deal with a bully without becoming a thug? In this wise and soulful talk, peace activist Scilla Elworthy maps out the skills we need -- as nations and individuals -- to fight extreme force without using force in return. To answer the question of why and how non-violence works, she evokes historical heroes -- Aung San Suu Kyi, Mahatma Gandhi, Nelson Mandela
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17:51
214 085

The myth of the gay agenda

In a humorous talk with an urgent message, LZ Granderson points out the absurdity in the idea that there's a "gay lifestyle," much less a "gay agenda." (Filmed at TEDxGrandRapids.)
14:08
187 597

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

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.
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.
05:44
113 601

Play this game to come up with original ideas

Shimpei Takahashi always dreamed of designing toys. But when he started work as a toy developer, he found that the pressure to use data as a starting point for design quashed his creativity. In this short, funny talk, Takahashi describes how he got his ideas flowing again, and shares a simple game anyone can play to generate new ideas. (In Japanese with English
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14:02
104 291

Find your voice against gender violence

This talk begins with a personal story of sexual violence that may be difficult to listen to. But that’s the point, says citizen journalist Meera Vijayann: Speaking out on tough, taboo topics is the spark for change. Vijayann uses digital media to speak honestly about her experience of gender violence in her home country of India — and calls on others to speak out too
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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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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.
08:49
94 029

What happens when a city runs out of room for its dead

"If you want to go out and start your own cemetery" in the UK, says Alison Killing, "you kind of can." She thinks a lot about where we die and are buried — and in this talk, the architect and TED Fellow offers an eye-opening economic and social perspective on an overlooked feature of our towns and cities: the cemetery. Speaking specifically to UK laws, she unpacks the
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11:03
89 087

A delightful way to teach kids about computers

Computer code is the next universal language, and its syntax will be limited only by the imaginations of the next generation of programmers. Linda Liukas is helping to educate problem-solving kids, encouraging them to see computers not as mechanical, boring and complicated but as colorful, expressive machines meant to be tinkered with. In this talk, she invites us to
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19:52
86 572

I was held hostage for 317 days. Here's what I thought about…

Vincent Cochetel was held hostage for 317 days in 1998, while working for the UN High Commissioner on Refugees in Chechnya. For the first time, he recounts the experience — from what it was like to live in a dark, underground chamber, chained to his bed, to the unexpected conversations he had with his captors. With lyricism and power, he explains why he continues his
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11:26
86 279

This virtual lab will revolutionize science class

Virtual reality is no longer part of some distant future, and it's not just for gaming and entertainment anymore. Michael Bodekaer wants to use it to make quality education more accessible. In this refreshing talk, he demos an idea that could revolutionize the way we teach science in schools.
16:41
85 099

Brilliant designs to fit more people in every city

How can we fit more people into cities without overcrowding? Kent Larson shows off folding cars, quick-change apartments and other innovations that could make the city of the future work a lot like a small village of the past.
13:47
84 025

What time is it on Mars?

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.
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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11:59
74 783

Meet the inventor of the electronic spreadsheet

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.
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)
11:10
67 135

Save the oceans, feed the world!

What's a marine biologist doing talking about world hunger? Well, says Jackie Savitz, fixing the world's oceans might just help to feed the planet's billion hungriest people. In an eye-opening talk, Savitz tells us what’s really going on in our global fisheries right now — it’s not good — and offers smart suggestions of how we can help them heal, while making more
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20:10
62 291

Photos that bear witness to modern slavery

For the past two years, photographer Lisa Kristine has traveled the world, documenting the unbearably harsh realities of modern-day slavery. She shares hauntingly beautiful images -- miners in the Congo, brick layers in Nepal -- illuminating the plight of the 27 million souls enslaved worldwide. (Filmed at TEDxMaui)
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.
12:01
58 844

How to get back to work after a career break

If you've taken a career break and are now looking to return to the workforce, would you consider taking an internship? Career reentry expert Carol Fishman Cohen thinks you should. In this talk, hear about Cohen's own experience returning to work after a career break, her work championing the success of "relaunchers" and how employers are changing how they engage with
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14:18
53 017

How Argentina's blind soccer team became champions

With warmth and respect, Gonzalo Vilariño tells the captivating story of Argentina's blind soccer team — and how a sincere belief in themselves and their capabilities transformed the players from humble beginnings into two-time World Champions. "You have to get out there and play every game in this beautiful tournament that we call life," Vilariño says.
12:17
50 463

A civil response to violence

In this passionate talk from TEDxSanMigueldeAllende that's already caused a sensation in Mexico, Emiliano Salinas, son of former president Carlos Salinas de Gortari, confronts the current climate of violence in Mexico -- or rather, how Mexican society responds to it. He calls on ordinary citizens to move from denial and fear to peaceful, community-based action. This
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12:43
43 255

We can start winning the war against cancer

Learn about the latest advances in the war against cancer from Stanford researcher Adam de la Zerda, who's working on some cutting-edge techniques of his own. Using a remarkable imaging technology that illuminates cancer-seeking gold particles injected into the body, de la Zerda's lab hopes to light the way for surgeons to remove even the tiniest trace of deadly
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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
15:31
41 011

The chilling aftershock of a brush with death

In April 2003, just as American troops began rolling into Baghdad, a shell smashed into the building author and war correspondent Jean-Paul Mari was reporting from. There he had a face-to-face encounter with death, beginning his acquaintance with a phantom that has haunted those who have risked their lives on battlefields since ancient times. "What is this thing that
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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).
10:58
29 283

What’s your 200-year plan?

You might have a 5-year plan, but what about a 200-year plan? Artist Raghava KK has set his eyes on an ultra-long-term horizon; at TEDxSummit, he shows how it helps guide today's choices and tomorrow's goals -- and encourages you to make your own 200-year plan too.
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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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.
10:37
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.
17:07
8 290

Math is the hidden secret to understanding the world

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.
19:14
7 490

The exhilarating peace of freediving

In this breathtaking talk, world champion freediver Guillaume Néry takes us with him into the ocean's depths. Meter by meter, he explains the physical and emotional impact of water pressure, silence and holding your breath. His eloquent description of the underwater experience reveals the hidden poetry of freediving.
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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11:03
4 202

Can a computer write poetry?

If you read a poem and feel moved by it, but then find out it was actually written by a computer, would you feel differently about the experience? Would you think that the computer had expressed itself and been creative, or would you feel like you had fallen for a cheap trick? In this talk, writer Oscar Schwartz examines why we react so strongly to the idea of a
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18:17
3 865

Could a drug prevent depression and PTSD?

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.
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 ...
14:12
1 863

How my mind came back to life — and no one knew

Imagine being unable to say, "I am hungry," "I am in pain," "thank you," or "I love you,” — losing your ability to communicate, being trapped inside your body, surrounded by people yet utterly alone. For 13 long years, that was Martin Pistorius’s reality. After contracting a brain infection at the age of twelve, Pistorius lost his ability to control his movements and
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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.
16:40
1 336

Everything you hear on film is a lie

Sound design is built on deception — when you watch a movie or TV show, nearly all of the sounds you hear are fake. In this audio-rich talk, Tasos Frantzolas explores the role of sound in storytelling and demonstrates just how easily our brains are fooled by what we hear.
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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10:41
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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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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11:54
887

Why we need gender-neutral bathrooms

There are a few things that we all need: fresh air, water, food, shelter, love ... and a safe place to pee. For trans people who don't fit neatly into the gender binary, public restrooms are a major source of anxiety and the place where they are most likely to be questioned or harassed. In this poetically rhythmic talk, Ivan Coyote grapples with complex and intensely
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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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13:46
624

What a planet needs to sustain life

"Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life — and why humanity may just be in the right place at the right time when it comes to the timeline of life-sustaining planets.
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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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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07:02
428

Simple hacks for life with Parkinson's

Simple solutions are often best, even when dealing with something as complicated as Parkinson's. In this inspiring talk, Mileha Soneji shares accessible designs that make the everyday tasks of those living with Parkinson's a bit easier. "Technology is not always it," she says. "What we need are human-centered solutions."
16:39
408

How early life experience is written into DNA

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
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12:26
361

The taboo secret to healthier plants and people

Our poop and pee have superpowers, but for the most part we don't harness them. Molly Winter faces down our squeamishness and asks us to see what goes down the toilet as a resource, one that can help fight climate change, spur innovation and even save us money.
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.
09:26
281

Shape-shifting tech will change work as we know it

What will the world look like when we move beyond the keyboard and mouse? Interaction designer Sean Follmer is building a future with machines that bring information to life under your fingers as you work with it. In this talk, check out prototypes for a 3D shape-shifting table, a phone that turns into a wristband, a deformable game controller and more that may change
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12:48
275

How jails extort the poor

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,
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15:21
209

A better way to talk about love

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
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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.
08:48
124

How I'm fighting bias in algorithms

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
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12:00
55

Why Earth may someday look like Mars

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.
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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10:53
10

Art made of the air we breathe

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
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12:49
07

The economic injustice of plastic

Van Jones lays out a case against plastic pollution from the perspective of social justice. Because plastic trash, he shows us, hits poor people and poor countries "first and worst," with consequences we all share no matter where we live and what we earn. At TEDxGPGP, he offers a few powerful ideas to help us reclaim our throwaway planet.