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Latest TED Talks


How a handful of fishing villages sparked a marine conservation revolution | Alasdair Harris [Video]How a handful of fishing villages sparked a marine conservation revolution | Alasdair Harris

We need a radically new approach to ocean conservation, says marine biologist 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..

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How family separation at the US-Mexico border affects children's mental health | Luis H. Zayas [Video]How family separation at the US-Mexico border affects children's mental health | Luis H. Zayas

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..

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The cosmic war between monotony and creativity | David Deutsch [Video]The cosmic war between monotony and creativity | David Deutsch

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..

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A circular economy for salt that keeps our rivers clean | Tina Arrowood [Video]A circular economy for salt that keeps our rivers clean | Tina Arrowood

During the winter of 2018-2019, one million tons of salt was applied to icy roads in the state of Pennsylvania alone. Salty runoff from industrial uses like this ends up in freshwater rivers, making their waters undrinkable and contributing to a..

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A personal plea for humanity at the US-Mexico border | Juan Enriquez [Video]A personal plea for humanity at the US-Mexico border | Juan Enriquez

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..

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Can dogs sniff out malaria? | James Logan [Video]Can dogs sniff out malaria? | James Logan

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..

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How nanoparticles could change the way we treat cancer | Joy Wolfram [Video]How nanoparticles could change the way we treat cancer | Joy Wolfram

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..

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An app that helps incarcerated people stay connected to their families | Marcus Bullock [Video]An app that helps incarcerated people stay connected to their families | Marcus Bullock

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..

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Revelations from a lifetime of dance | Judith Jamison and the Alvin Ailey American Dance Theater [Video]Revelations from a lifetime of dance | Judith Jamison and the Alvin Ailey American Dance Theater

"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..

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The transformative power of video games | Herman Narula [Video]The transformative power of video games | Herman Narula

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..

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A radical plan to end plastic waste | Andrew Forrest [Video]A radical plan to end plastic waste | Andrew Forrest

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..

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What happens in your brain when you taste food | Camilla Arndal Andersen [Video]What happens in your brain when you taste food | Camilla Arndal Andersen

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..

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How community-led conservation can save wildlife | Moreangels Mbizah [Video]How community-led conservation can save wildlife | Moreangels Mbizah

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..

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An ancient rock suggests a new theory for how life started | Tara Djokic [Video]An ancient rock suggests a new theory for how life started | Tara Djokic

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..

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A wall won't solve America's border problems | Will Hurd [Video]A wall won't solve America's border problems | Will Hurd

"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..

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"Criminalization of Survival" | Paul Rucker [Video]"Criminalization of Survival" | Paul Rucker

Visual artist, cellist and TED Fellow Paul Rucker performs a disarming rendition of "Criminalization of Survival," a piece he created to explore the fragile journey of life in light of the brutality of the immigration crisis.

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A love story for the coral reef crisis | Ayana Elizabeth Johnson [Video]A love story for the coral reef crisis | Ayana Elizabeth Johnson

Over the course of dozens of scuba diving trips, 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..

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Art that explores time and memory | Sarah Sze [Video]Art that explores time and memory | Sarah Sze

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..

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How couples can sustain a strong sexual connection for a lifetime | Emily Nagoski [Video]How couples can sustain a strong sexual connection for a lifetime | Emily Nagoski

As a sex educator, Emily Nagoski is often asked: How do couples sustain a strong sexual connection over the long term? In this funny, insightful talk, she shares her answer -- drawing on (somewhat surprising) research to reveal why some couples stop..

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How we're building the world's largest family tree | Yaniv Erlich [Video]How we're building the world's largest family tree | Yaniv Erlich

Genealogist 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..

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How one tree grows 40 different kinds of fruit | Sam Van Aken [Video]How one tree grows 40 different kinds of fruit | Sam Van Aken

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..

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How we're using DNA tech to help farmers fight crop diseases | Laura Boykin [Video]How we're using DNA tech to help farmers fight crop diseases | Laura Boykin

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..

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We need to track the world's water like we track the weather | Sonaar Luthra [Video]We need to track the world's water like we track the weather | Sonaar Luthra

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..

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Innovation is the antidote to corruption | Efosa Ojomo [Video]Innovation is the antidote to corruption | Efosa Ojomo

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..

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Why language is humanity's greatest invention | David Peterson [Video]Why language is humanity's greatest invention | David Peterson

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..

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How climate change could make our food less nutritious | Kristie Ebi [Video]How climate change could make our food less nutritious | Kristie Ebi

Rising carbon levels in the atmosphere can make plants grow faster, but there's another hidden consequence: they rob plants of the nutrients and vitamins we need to survive. In a talk about global food security, epidemiologist Kristie Ebi explores the..

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Creativity builds nations | Muthoni Drummer Queen [Video]Creativity builds nations | Muthoni Drummer Queen

In a hopeful talk followed by an empowering performance, musician and TED Fellow Muthoni Drummer Queen shares how industries like music, film and fashion provide a platform for Africans to broadcast their rich and diverse talents -- and explains how..

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A free world needs political cartoons | Patrick Chappatte [Video]A free world needs political cartoons | Patrick Chappatte

We need humor like we need the air we breathe, says editorial cartoonist Patrick Chappatte. In a talk illustrated with highlights from a career spent skewering everything from dictators and ideologues to selfies and social media mobs, Chappatte makes..

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How your emotions change the shape of your heart | Sandeep Jauhar [Video]How your emotions change the shape of your heart | Sandeep Jauhar

"A record of our emotional life is written on our hearts," says cardiologist and author Sandeep Jauhar. In a stunning talk, he explores the mysterious ways our emotions impact the health of our hearts -- causing them to change shape in response to..

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What streaming means for the future of entertainment | Emmett Shear [Video]What streaming means for the future of entertainment | Emmett Shear

In a talk and demo, Twitch cofounder Emmett Shear shares his vision for the future of interactive entertainment -- and explains how video game streaming is helping people build communities online. "I am excited for a world where our entertainment..

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"Stumbling towards intimacy": An improvised TED Talk | Anthony Veneziale [Video]"Stumbling towards intimacy": An improvised TED Talk | Anthony Veneziale

In a hilarious, completely improvised talk, improv master Anthony Veneziale takes to the TED stage for a truly one-of-a-kind performance. Armed with an audience-suggested topic ("stumbling towards intimacy") and a deck of slides he's never seen..

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How we use astrophysics to study earthbound problems | Federica Bianco [Video]How we use astrophysics to study earthbound problems | Federica Bianco

To study a system as complex as the entire universe, astrophysicists need to be experts at extracting simple solutions from large data sets. What else could they do with this expertise? In an interdisciplinary talk, TED Fellow and astrophysicist..

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The dirty secret of capitalism -- and a new way forward | Nick Hanauer [Video]The dirty secret of capitalism -- and a new way forward | Nick Hanauer

Rising inequality and growing political instability are the direct result of decades of bad economic theory, says entrepreneur Nick Hanauer. In a visionary talk, he dismantles the mantra that "greed is good" -- an idea he describes as not only morally..

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How deepfakes undermine truth and threaten democracy | Danielle Citron [Video]How deepfakes undermine truth and threaten democracy | Danielle Citron

The use of deepfake technology to manipulate video and audio for malicious purposes -- whether it's to stoke violence or defame politicians and journalists -- is becoming a real threat. As these tools become more accessible and their products more..

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How we can eliminate child sexual abuse material from the internet | Julie Cordua [Video]How we can eliminate child sexual abuse material from the internet | Julie Cordua

Social entrepreneur Julie Cordua works on a problem that isn't easy to talk about: the sexual abuse of children in images and videos on the internet. At Thorn, she's building technology to connect the dots between the tech industry, law enforcement..

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Can seaweed help curb global warming? | Tim Flannery [Video]Can seaweed help curb global warming? | Tim Flannery

It's time for planetary-scale interventions to combat climate change -- and environmentalist Tim Flannery thinks seaweed can help. In a bold talk, he shares the epic carbon-capturing potential of seaweed, explaining how oceangoing seaweed farms..

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Why I became a climate activist -- and why you should too | Luisa Neubauer [Video]Why I became a climate activist -- and why you should too | Luisa Neubauer

"I dream of a world where geography classes teach about the climate crisis as this one great challenge that was won by people like you and me," says climate activist Luisa Neubauer. With Greta Thunberg, Neubauer helped initiate "Fridays For Future,"..

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How to teach teenagers to think critically about porn | Emily F. Rothman [Video]How to teach teenagers to think critically about porn | Emily F. Rothman

"The free, online, mainstream pornography that teenagers are most likely to see is a completely terrible form of sex education," says public health researcher Emily F. Rothman. In an eye-opening talk, she shares how her mission to end dating and..

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What happened when we paired up thousands of strangers to talk politics | Jochen Wegner [Video]What happened when we paired up thousands of strangers to talk politics | Jochen Wegner

In spring 2019, more than 17,000 Europeans from 33 countries signed up to have a political argument with a complete stranger. They were part of "Europe Talks," a project that organizes one-on-one conversations between people who disagree -- sort of..

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A bold plan to empower 1.6 million out-of-school girls in India | Safeena Husain [Video]A bold plan to empower 1.6 million out-of-school girls in India | Safeena Husain

"Girls' education is the closest thing we have to a silver bullet to help solve some of the world's most difficult problems," says social entrepreneur Safeena Husain. In a visionary talk, she shares her plan to enroll a staggering 1.6 million girls in..

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This could be why you're depressed and anxious | Johann Hari [Video]This could be why you're depressed and anxious | Johann Hari

In a moving, actionable talk, journalist Johann Hari shares fresh insights on the causes of depression and anxiety from experts around the world -- as well as some exciting emerging solutions. "If you're depressed or anxious, you're not weak and..

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Inside the bizarre world of internet trolls and propagandists | Andrew Marantz [Video]Inside the bizarre world of internet trolls and propagandists | Andrew Marantz

Journalist Andrew Marantz spent three years embedded in the world of internet trolls and social media propagandists, seeking out the people who are propelling fringe talking points into the heart of conversation online and trying to understand how..

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How I help people understand vitiligo | Lee Thomas [Video]How I help people understand vitiligo | Lee Thomas

TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. In a captivating talk, he shares how he discovered a..

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How I escaped North Korea -- and found freedom | Yeonmi Park [Video]How I escaped North Korea -- and found freedom | Yeonmi Park

"North Korea is unimaginable," says human rights activist Yeonmi Park, who escaped the country at the age of 10. Sharing the harrowing story of her childhood, she reflects on the fragility of freedom -- and shows how change can be achieved even in the..

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Can we choose to fall out of love? | Dessa [Video]Can we choose to fall out of love? | Dessa

What's the best way to get over heartbreak? Rapper and writer Dessa came up with an unconventional approach after a chance viewing of Helen Fisher's TED Talk about the brains of the lovestruck. In a wryly funny talk, she shares how she worked with a..

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Emergency medicine for our climate fever | Kelly Wanser [Video]Emergency medicine for our climate fever | Kelly Wanser

As we recklessly warm the planet by pumping greenhouse gases into the atmosphere, some industrial emissions also produce particles that reflect sunshine back into space, putting a check on global warming that we're only starting to understand. Climate..

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Family, hope and resilience on the migrant trail | Jon Lowenstein [Video]Family, hope and resilience on the migrant trail | Jon Lowenstein

For the past 20 years, photographer and TED Fellow Jon Lowenstein has documented the migrant journey from Latin America to the United States, one of the largest transnational migrations in world history. Sharing photos from his decade-long project..

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Ping-pong and the riddle of victory | Pico Iyer [Video]Ping-pong and the riddle of victory | Pico Iyer

Growing up in England, Pico Iyer was taught that the point of a game was to win. Now, some 50 years later, he's realized that competition can be "more like an act of love." In this charming, subtly profound talk, he explores what regular games of..

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The human skills we need in an unpredictable world | Margaret Heffernan [Video]The human skills we need in an unpredictable world | Margaret Heffernan

The more we rely on technology to make us efficient, the fewer skills we have to confront the unexpected, says writer and entrepreneur Margaret Heffernan. She shares why we need less tech and more messy human skills -- imagination, humility, bravery..

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Why governments should prioritize well-being | Nicola Sturgeon [Video]Why governments should prioritize well-being | Nicola Sturgeon

In 2018, Scotland, Iceland and New Zealand established the network of Wellbeing Economy Governments to challenge the acceptance of GDP as the ultimate measure of a country's success. In this visionary talk, First Minister of Scotland Nicola Sturgeon..

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