TED Talks with English transcript

Ryan Martin: Why we get mad -- and why it's healthy

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Ryan Martin: Why we get mad -- and why it's healthy
2,589,046 views

Anger researcher Ryan Martin draws from a career studying what makes people mad to explain some of the cognitive processes behind anger -- and why a healthy dose of it can actually be useful. "Your anger exists in you ... because it offered your ancestors, both human and nonhuman, an evolutionary advantage," he says. "[It's] a powerful and healthy force in your life."

Roger Hanlon: The amazing brains and morphing skin of octopuses and other cephalopods

TED2019

Roger Hanlon: The amazing brains and morphing skin of octopuses and other cephalopods
739,795 views

Octopus, squid and cuttlefish -- collectively known as cephalopods -- have strange, massive, distributed brains. What do they do with all that neural power? Dive into the ocean with marine biologist Roger Hanlon, who shares astonishing footage of the camouflaging abilities of cephalopods, which can change their skin color and texture in a flash. Learn how their smart skin, and their ability to deploy it in sophisticated ways, could be evidence of an alternative form of intelligence -- and how it could lead to breakthroughs in AI, fabrics, cosmetics and beyond.

Baratunde Thurston: How to deconstruct racism, one headline at a time

TED2019

Baratunde Thurston: How to deconstruct racism, one headline at a time
2,301,855 views

Baratunde Thurston explores the phenomenon of white Americans calling the police on black Americans who have committed the crimes of ... eating, walking or generally "living while black." In this profound, thought-provoking and often hilarious talk, he reveals the power of language to change stories of trauma into stories of healing -- while challenging us all to level up.

Bruce Friedrich: The next global agricultural revolution

TED2019

Bruce Friedrich: The next global agricultural revolution
2,123,810 views

Conventional meat production causes harm to our environment and presents risks to global health, but people aren't going to eat less meat unless we give them alternatives that cost the same (or less) and that taste the same (or better). In an eye-opening talk, food innovator and TED Fellow Bruce Friedrich shows the plant- and cell-based products that could soon transform the global meat industry -- and your dinner plate.

Morgan Vague: These bacteria eat plastic

TEDxMtHood

Morgan Vague: These bacteria eat plastic
2,001,893 views

Humans produce 300 million tons of new plastic each year -- yet, despite our best efforts, less than 10 percent of it ends up being recycled. Is there a better way to deal with all this waste? Morgan Vague describes her research with microbiologist Jay Mellies on bacteria that have evolved the unexpected ability to eat plastic -- and how they could help us solve our growing pollution problem.

Erika Hamden: What it takes to launch a telescope

TED2019

Erika Hamden: What it takes to launch a telescope
1,678,684 views

TED Fellow and astronomer Erika Hamden leads the team building FIREBall, a telescope that hangs from a giant balloon at the very edge of space and looks for clues about how stars are created. She takes us inside the roller-coaster, decade-long journey to get the telescope from an idea into orbit -- and shows how failure is inevitable when you're pushing the limits of knowledge.

America Ferrera: My identity is a superpower -- not an obstacle

TED2019

America Ferrera: My identity is a superpower -- not an obstacle
2,179,326 views

Hollywood needs to stop resisting what the world actually looks like, says actor, director and activist America Ferrera. Tracing the contours of her career, she calls for more authentic representation of different cultures in media -- and a shift in how we tell our stories. "Presence creates possibility," she says. "Who we see thriving in the world teaches us how to see ourselves, how to think about our own value, how to dream about our futures."

Katie Hood: The difference between healthy and unhealthy love

TED2019

Katie Hood: The difference between healthy and unhealthy love
4,794,911 views

In a talk about understanding and practicing the art of healthy relationships, Katie Hood reveals the five signs you might be in an unhealthy relationship -- with a romantic partner, a friend, a family member -- and shares the things you can do every day to love with respect, kindness and joy. "While love is an instinct and an emotion, the ability to love better is a skill we can all build and improve on over time," she says.

Hamdi Ulukaya: The anti-CEO playbook

TED2019

Hamdi Ulukaya: The anti-CEO playbook
2,454,716 views

Profit, money, shareholders: these are the priorities of most companies today. But at what cost? In an appeal to corporate leaders worldwide, Chobani founder Hamdi Ulukaya calls for an end to the business playbook of the past -- and shares his vision for a new, "anti-CEO playbook" that prioritizes people over profits. "This is the difference between profit and true wealth," he says.

Doug Roble: Digital humans that look just like us

TED2019

Doug Roble: Digital humans that look just like us
562,138 views

In an astonishing talk and tech demo, software researcher Doug Roble debuts "DigiDoug": a real-time, 3-D, digital rendering of his likeness that's accurate down to the scale of pores and wrinkles. Powered by an inertial motion capture suit, deep neural networks and enormous amounts of data, DigiDoug renders the real Doug's emotions (and even how his blood flows and eyelashes move) in striking detail. Learn more about how this exciting tech was built -- and its applications in movies, virtual assistants and beyond.

Matt Walker: Sleep is your superpower

TED2019

Matt Walker: Sleep is your superpower
9,134,974 views

Sleep is your life-support system and Mother Nature's best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get sleep -- and the alarmingly bad things that happen when you don't, for both your brain and body. Learn more about sleep's impact on your learning, memory, immune system and even your genetic code -- as well as some helpful tips for getting some shut-eye.

Juna Kollmeier: The most detailed map of galaxies, black holes and stars ever made

TED2019

Juna Kollmeier: The most detailed map of galaxies, black holes and stars ever made
2,220,125 views

Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey across the cosmos as she shares her team's work on the Sloan Digital Sky Survey, imaging millions of stars, black holes and galaxies in unprecedented detail. If we maintain our pace, she says, we can map every large galaxy in the observable universe by 2060. "We've gone from arranging clamshells to general relativity in a few thousand years," she says. "If we hang on 40 more, we can map all the galaxies."

Carson Bruns: Could a tattoo help you stay healthy?

TEDxMileHigh

Carson Bruns: Could a tattoo help you stay healthy?
624,671 views

Can we make tattoos both beautiful and functional? Nanotechnologist Carson Bruns shares his work creating high-tech tattoos that react to their environment -- like color-changing ink that can tell you when you're getting a sunburn -- and shows exciting ways they can deliver real-time information about our health.

David Brooks: The lies our culture tells us about what matters -- and a better way to live

TED2019

David Brooks: The lies our culture tells us about what matters -- and a better way to live
3,776,568 views

Our society is in the midst of a social crisis, says op-ed columnist and author David Brooks: we're trapped in a valley of isolation and fragmentation. How do we find our way out? Based on his travels across the United States -- and his meetings with a range of exceptional people known as "weavers" -- Brooks lays out his vision for a cultural revolution that empowers us all to lead lives of greater meaning, purpose and joy.

Eric Liu: How to revive your belief in democracy

TED2019

Eric Liu: How to revive your belief in democracy
1,717,761 views

Civic evangelist Eric Liu shares a powerful way to rekindle the spirit of citizenship and the belief that democracy still works. Join him for a trip to "Civic Saturday" and learn more about how making civic engagement a weekly habit can help build communities based on shared values and a path to belonging.

Ivan Poupyrev: Everything around you can become a computer

TED2019

Ivan Poupyrev: Everything around you can become a computer
513,955 views

Designer Ivan Poupyrev wants to integrate technology into everyday objects to make them more useful and fun -- like a jacket you can use to answer phone calls or a houseplant you can play like a keyboard. In a talk and tech demo, he lays out his vision for a physical world that's more deeply connected to the internet and shows how, with a little collaboration, we can get there. Unveiled in this talk: Poupyrev announces that his newest device, Jacquard, is now publicly available for all designers to use.

Wajahat Ali: The case for having kids

TED2019

Wajahat Ali: The case for having kids
1,882,381 views

The global fertility rate, or the number of children per woman, has halved over the last 50 years. What will having fewer babies mean for the future of humanity? In this funny, eye-opening talk, journalist (and self-described exhausted dad) Wajahat Ali examines how the current trend could lead to unexpected problems -- and shares why he believes we need to make it easier for people to have babies. "For those who can and choose to, may you pass on this beautiful thing called life with kindness, generosity, decency and love," he says.

Arnav Kapur: How AI could become an extension of your mind

TED2019

Arnav Kapur: How AI could become an extension of your mind
601,116 views

Try talking to yourself without opening your mouth, by simply saying words internally. What if you could search the internet like that -- and get an answer back? In the first live public demo of his new technology, TED Fellow Arnav Kapur introduces AlterEgo: a wearable AI device with the potential to let you silently talk to and get information from a computer system, like a voice inside your head. Learn more about how the device works and the far-reaching implications of this new kind of human-computer interaction.

Es Devlin: Mind-blowing stage sculptures that fuse music and technology

TED2019

Es Devlin: Mind-blowing stage sculptures that fuse music and technology
561,439 views

It starts with a sketch. Then it evolves into a larger-than-life visual masterpiece, a celebration of human connection. Follow along as legendary artist and designer Es Devlin takes us on a visual tour of her work -- including iconic stage sculptures she's created for Beyoncé, Adele, Kanye West, U2 and more -- and previews her design for the upcoming World Expo 2020 in Dubai.

Elizabeth Dunn: Helping others makes us happier -- but it matters how we do it

TED2019

Elizabeth Dunn: Helping others makes us happier -- but it matters how we do it
3,134,334 views

Research shows that helping others makes us happier. But in her groundbreaking work on generosity and joy, social psychologist Elizabeth Dunn found that there's a catch: it matters how we help. Learn how we can make a greater impact -- and boost our own happiness along the way -- if we make one key shift in how we help others. "Let's stop thinking about giving as just this moral obligation and start thinking of it as a source of pleasure," Dunn says.

Joanne Chory: How supercharged plants could slow climate change

TED2019

Joanne Chory: How supercharged plants could slow climate change
1,881,351 views

Plants are amazing machines -- for millions of years, they've taken carbon dioxide out of the air and stored it underground, keeping a crucial check on the global climate. Plant geneticist Joanne Chory is working to amplify this special ability: with her colleagues at the Salk Plant Molecular and Cellular Biology Laboratory, she's creating plants that can store more carbon, deeper underground, for hundreds of years. Learn more about how these supercharged plants could help slow climate change. (This ambitious plan is a part of the Audacious Project, TED's initiative to inspire and fund global change.)

David R. Liu: Can we cure genetic diseases by rewriting DNA?

TED2019

David R. Liu: Can we cure genetic diseases by rewriting DNA?
1,976,595 views

In a story of scientific discovery, chemical biologist David R. Liu shares a breakthrough: his lab's development of base editors that can rewrite DNA. This crucial step in genome editing takes the promise of CRISPR to the next level: if CRISPR proteins are molecular scissors, programmed to cut specific DNA sequences, then base editors are pencils, capable of directly rewriting one DNA letter into another. Learn more about how these molecular machines work -- and their potential to treat or even cure genetic diseases.

Danielle N. Lee: How hip-hop helps us understand science

TED2019

Danielle N. Lee: How hip-hop helps us understand science
1,875,249 views

In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- once thought to be strictly monogamous -- engaged in what's politely called "extra-pair copulation." In this unforgettable biology lesson on animal infidelity, TED Fellow Danielle N. Lee shows how she uses hip-hop to teach science, leading the crowd in an updated version of Naughty by Nature's hit "O.P.P."

Sheperd Doeleman: Inside the black hole image that made history

TED2019

Sheperd Doeleman: Inside the black hole image that made history
1,670,533 views

At the center of a galaxy more than 55 million light-years away, there's a supermassive black hole with the mass of several billion suns. And now, for the first time ever, we can see it. Astrophysicist Sheperd Doeleman, head of the Event Horizon Telescope collaboration, speaks with TED's Chris Anderson about the iconic, first-ever image of a black hole -- and the epic, worldwide effort involved in capturing it.

Jack Dorsey: How Twitter needs to change

TED2019

Jack Dorsey: How Twitter needs to change
2,089,470 views

Can Twitter be saved? In a wide-ranging conversation with TED's Chris Anderson and Whitney Pennington Rodgers, Twitter CEO Jack Dorsey discusses the future of the platform -- acknowledging problems with harassment and moderation and proposing some fundamental changes that he hopes will encourage healthy, respectful conversations. "Are we actually delivering something that people value every single day?" Dorsey asks.

Carole Cadwalladr: Facebook's role in Brexit -- and the threat to democracy

TED2019

Carole Cadwalladr: Facebook's role in Brexit -- and the threat to democracy
3,749,529 views

In an unmissable talk, journalist Carole Cadwalladr digs into one of the most perplexing events in recent times: the UK's super-close 2016 vote to leave the European Union. Tracking the result to a barrage of misleading Facebook ads targeted at vulnerable Brexit swing voters -- and linking the same players and tactics to the 2016 US presidential election -- Cadwalladr calls out the "gods of Silicon Valley" for being on the wrong side of history and asks: Are free and fair elections a thing of the past?