TED Talks with English transcript

Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution

We the Future

Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution
864,510 views

We need a radically new approach to ocean conservation, says marine biologist and TED Fellow Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and rebuild local fisheries -- all by taking less from the ocean. "When we design it right, marine conservation reaps dividends that go far beyond protecting nature," he says.

Abhishek Gopalka: How motivation can fix public systems

TED@BCG Mumbai

Abhishek Gopalka: How motivation can fix public systems
475,749 views
No Video

How do you fix broken public systems? You spark people's competitive spirit. In a talk about getting people motivated to make change, public sector strategist Abhishek Gopalka discusses how he helped improve the health system of Rajasthan, a state in India home to more than 80 million people, using the powers of transparency and public accountability. "Motivation doesn't just appear," Gopalka says. "Something needs to change to make you care."

Luis H. Zayas: The psychological impact of child separation at the US-Mexico border

TED Salon: Border Stories

Luis H. Zayas: The psychological impact of child separation at the US-Mexico border
806,404 views

How does psychological trauma affect children's developing brains? In this powerful talk, social worker Luis H. Zayas discusses his work with refugees and asylum-seeking families at the US-Mexico border. What emerges is a stunning analysis of the long-term impact of the US's controversial detention and child separation policies -- and practical steps for how the country can do better.

David Deutsch: After billions of years of monotony, the universe is waking up

TED2019

David Deutsch: After billions of years of monotony, the universe is waking up
888,988 views

Theoretical physicist David Deutsch delivers a mind-bending meditation on the "great monotony" -- the idea that nothing novel has appeared in the universe for billions of years -- and shows how humanity's capacity to create explanatory knowledge could be the thing that bucks this trend. "Humans are not playthings of cosmic forces," he says. "We are users of cosmic forces."

Tina Arrowood: A circular economy for salt that keeps rivers clean

TED@DuPont

Tina Arrowood: A circular economy for salt that keeps rivers clean
776,344 views

During the winter of 2018-2019, one million tons of salt were applied to icy roads in the state of Pennsylvania alone. The salt from industrial uses like this often ends up in freshwater rivers, making their water undrinkable and contributing to a growing global crisis. How can we better protect these precious natural resources? Physical organic chemist Tina Arrowood shares a three-step plan to keep salt out of rivers -- and create a circular salt economy that turns industrial byproducts into valuable resources.

Juan Enriquez: A personal plea for humanity at the US-Mexico border

TED Salon: Border Stories

Juan Enriquez: A personal plea for humanity at the US-Mexico border
863,428 views

In this powerful, personal talk, author and academic Juan Enriquez shares stories from inside the immigration crisis at the US-Mexico border, bringing this often-abstract debate back down to earth -- and showing what you can do every day to create a sense of belonging for immigrants. "This isn't about kids and borders," he says. "It's about us. This is about who we are, who we the people are, as a nation and as individuals."

James Logan: How we're using dogs to sniff out malaria

TEDxLondon

James Logan: How we're using dogs to sniff out malaria
69,266 views

What if we could diagnose some of the world's deadliest diseases by the smells our bodies give off? In a fascinating talk and live demo, biologist James Logan introduces Freya, a malaria-sniffing dog, to show how we can harness the awesome powers of animal scent to detect chemical signatures associated with infection -- and change the way we diagnose disease.

Joy Wolfram: How nanoparticles could change the way we treat cancer

TEDxJacksonville

Joy Wolfram: How nanoparticles could change the way we treat cancer
114,921 views

Ninety-nine percent of cancer drugs never make it to tumors, getting washed out of the body before they have time to do their job. How can we better deliver life-saving drugs? Cancer researcher Joy Wolfram shares cutting-edge medical research into nanoparticles -- tiny particles that could be used to deliver drugs accurately to tumors -- and explains how they could keep drugs in the body longer to attack malignant cells.

Marcus Bullock: An app that helps incarcerated people stay connected to their families

TED Salon The Macallan

Marcus Bullock: An app that helps incarcerated people stay connected to their families
679,984 views

Over his eight-year prison sentence, Marcus Bullock was sustained by his mother's love -- and by the daily letters and photos she sent of life on the outside. Years later, as an entrepreneur, Bullock asked himself: How can I make it easier for all families to stay connected during incarceration? Enter FlikShop: an app he developed that lets families send quick postcards to loved ones in prison and help keep open a critical line of support.

Judith Jamison and members of the Alvin Ailey American Dance Theater: Revelations from a lifetime of dance

TED2019

Judith Jamison and members of the Alvin Ailey American Dance Theater: Revelations from a lifetime of dance
113,161 views
No Video

"Dance can elevate our human experience beyond words," says Judith Jamison, artistic director emerita of the Alvin Ailey American Dance Theater. In between performances of excerpts from Alvin Ailey's classic works "Revelations" and "Cry," Jamison reflects on the enduring power of dance to transform history into art that thrills audiences around the world. (Performances by Solomon Dumas, Samantha Figgins and Constance Stamatiou)

Herman Narula: The transformative power of video games

TED2019

Herman Narula: The transformative power of video games
695,231 views

A full third of the world's population -- 2.6 billion people -- play video games, plugging into massive networks of interaction that have opened up opportunities well beyond entertainment. In a talk about the future of the medium, entrepreneur Herman Narula makes the case for a new understanding of gaming -- one that includes the power to create new worlds, connect people and shape the economy.

Andrew Forrest: A radical plan to end plastic waste

We the Future

Andrew Forrest: A radical plan to end plastic waste
905,694 views

Plastic is an incredible substance for the economy -- and the worst substance possible for the environment, says entrepreneur Andrew Forrest. In a conversation meant to spark debate, Forrest and head of TED Chris Anderson discuss an ambitious plan to get the world's biggest companies to fund an environmental revolution -- and transition industry towards getting all of its plastic from recycled materials, not from fossil fuels.

Camilla Arndal Andersen: What happens in your brain when you taste food

TED@DuPont

Camilla Arndal Andersen: What happens in your brain when you taste food
1,076,718 views

With fascinating research and hilarious anecdotes, neuroscientist Camilla Arndal Andersen takes us into the lab where she studies people's sense of taste via brain scans. She reveals surprising insights about the way our brains subconsciously experience food -- and shows how this data could help us eat healthier without sacrificing taste.

Moreangels Mbizah: How community-led conservation can save wildlife

TED2019

Moreangels Mbizah: How community-led conservation can save wildlife
903,008 views

Conservationist and TED Fellow Moreangels Mbizah studied the famous Cecil the lion until he was shot by a trophy hunter in 2015. She wonders how things could've gone differently, asking: "What if the community that lived next to Cecil was involved in protecting him?" In a quick talk, Mbizah shares the state of conservation in her home of Zimbabwe -- and why she thinks that communities living with wildlife are the ones best positioned to help them.

Tara Djokic: This ancient rock is changing our theory on the origin of life

TEDxSydney

Tara Djokic: This ancient rock is changing our theory on the origin of life
951,723 views

Exactly when and where did life on Earth begin? Scientists have long thought that it emerged three billion years ago in the ocean -- until astrobiologist Tara Djokic and her team made an unexpected discovery in the western Australian desert. Learn how an ancient rock found near a hot volcanic pool is shifting our understanding of the origin-of-life puzzle.

Will Hurd: A wall won't solve America's border problems

TED Salon: Border Stories

Will Hurd: A wall won't solve America's border problems
1,019,099 views

"Building a 30-foot-high concrete structure from sea to shining sea is the most expensive and least effective way to do border security," says Congressman Will Hurd, a Republican from Texas whose district encompasses two times zones and shares an 820-mile border with Mexico. Speaking from Washington, DC in a video interview with former state attorney general Anne Milgram, Hurd discusses the US government's border policy and its controversial detention and child separation practices -- and lays out steps toward a better future at the border. (Recorded at the TED World Theater in New York on September 10, 2019)

Ayana Elizabeth Johnson: A love story for the coral reef crisis

TED2019

Ayana Elizabeth Johnson: A love story for the coral reef crisis
89,784 views

Over the course of hundreds of scuba dives, marine biologist Ayana Elizabeth Johnson fell in love -- with a fish. In this ode to parrotfish, she shares five reasons why these creatures are simply amazing (from their ability to poop white sand to make colorful "wardrobe changes") and shows what's at stake -- for us and them -- as climate change threatens the future of coral reefs.

Sarah Sze: How we experience time and memory through art

TED2019

Sarah Sze: How we experience time and memory through art
131,155 views

Artist Sarah Sze takes us on a kaleidoscopic journey through her work: immersive installations as tall as buildings, splashed across walls, orbiting through galleries -- blurring the lines between time, memory and space. Explore how we give meaning to objects in this beautiful tour of Sze's experiential, multimedia art.

Ashwin Naidu: The link between fishing cats and mangrove forest conservation

TED2019

Ashwin Naidu: The link between fishing cats and mangrove forest conservation
432,299 views
No Video

Mangrove forests are crucial to the health of the planet, gobbling up CO2 from the atmosphere and providing a home for a diverse array of species. But these rich habitats are under continual threat from deforestation and industry. In an empowering talk, conservationist and TED Fellow Ashwin Naidu shares how community-driven efforts in South and Southeast Asia are working to protect mangroves -- all with a little help from the mysterious and endangered fishing cat.

Claire Wardle: How you can help transform the internet into a place of trust

TED2019

Claire Wardle: How you can help transform the internet into a place of trust
588,710 views
No Video

How can we stop the spread of misleading, sometimes dangerous content while maintaining an internet with freedom of expression at its core? Misinformation expert Claire Wardle explores the new challenges of our polluted online environment and maps out a plan to transform the internet into a place of trust -- with the help everyday users. "Together, let's rebuild our information commons," she says.

Yaniv Erlich: How we're building the world's largest family tree

TEDMED 2018

Yaniv Erlich: How we're building the world's largest family tree
1,055,196 views

Computational geneticist Yaniv Erlich helped build the world's largest family tree -- comprising 13 million people and going back more than 500 years. He shares fascinating patterns that emerged from the work -- about our love lives, our health, even decades-old criminal cases -- and shows how crowdsourced genealogy databases can shed light not only on the past but also on the future.

Sam Van Aken: How one tree grows 40 different kinds of fruit

TED Salon The Macallan

Sam Van Aken: How one tree grows 40 different kinds of fruit
271,874 views

Artist Sam Van Aken shares the breathtaking work behind the "Tree of 40 Fruit," an ongoing series of hybridized fruit trees that grow 40 different varieties of peaches, plums, apricots, nectarines and cherries -- all on the same tree. What began as an art project to showcase beautiful, multi-hued blossoms has become a living archive of rare heirloom specimens and their histories, a hands-on (and delicious!) way to teach people about cultivation and a vivid symbol of the need for biodiversity to ensure food security. "More than just food, embedded in these fruit is our culture ... In many ways, these fruit are our story," Van Aken says.

Janelle Shane: The danger of AI is weirder than you think

TED2019

Janelle Shane: The danger of AI is weirder than you think
152,638 views
No Video

The danger of artificial intelligence isn't that it's going to rebel against us, but that it's going to do exactly what we ask it to do, says AI researcher Janelle Shane. Sharing the weird, sometimes alarming antics of AI algorithms as they try to solve human problems -- like creating new ice cream flavors or recognizing cars on the road -- Shane shows why AI doesn't yet measure up to real brains.

Laura Boykin: How we're using DNA tech to help farmers fight crop diseases

TEDSummit 2019

Laura Boykin: How we're using DNA tech to help farmers fight crop diseases
677,253 views

Nearly 800 million people worldwide depend on cassava for survival -- but this critical food source is under attack by entirely preventable viruses, says computational biologist and TED Senior Fellow Laura Boykin. She takes us to the farms in East Africa where she's working with a diverse team of scientists to help farmers keep their crops healthy using a portable DNA lab and mini supercomputer that can identify viruses in hours, instead of months.

Sonaar Luthra: We need to track the world's water like we track the weather

TEDSummit 2019

Sonaar Luthra: We need to track the world's water like we track the weather
1,231,119 views

We need a global weather service for water, says entrepreneur and TED Fellow Sonaar Luthra. In a talk about environmental accountability, Luthra shows how we could forecast water shortages and risks with a global data collection effort -- just like we monitor the movement of storms -- and better listen to what the earth is telling us.

Efosa Ojomo: Reducing corruption takes a specific kind of investment

TED Salon Brightline Initiative

Efosa Ojomo: Reducing corruption takes a specific kind of investment
931,852 views

Traditional thinking on corruption goes like this: if you put good laws in place and enforce them well, then economic development increases and corruption falls. In reality, we have the equation backwards, says innovation researcher Efosa Ojomo. In this compelling talk, he offers new thinking on how we could potentially eliminate corruption worldwide by focusing on one thing: scarcity. "Societies don't develop because they've reduced corruption," he says. "They're able to reduce corruption because they've developed."

David Peterson: Why language is humanity's greatest invention

TEDxBerkeley

David Peterson: Why language is humanity's greatest invention
920,233 views

Civilization rests upon the existence of language, says language creator David Peterson. In a talk that's equal parts passionate and hilarious, he shows how studying, preserving and inventing new languages helps us understand our collective humanity -- and gives a quick lesson on High Valyrian, one of two languages he created for "Game of Thrones" (along with Dothraki). "Language is not merely a tool," he says. "It is our legacy, it's our way of conveying what it means to be human."