Refugees have the right to be protected | António Guterres

UN High Commissioner for Refugees António Guterres thinks that we can solve the global refugee crisis — and he offers compelling, surprising reasons why we must try. In conversation with TED’s Bruno Giussani, Guterres discusses the historical causes of the current crisis and outlines the mood of the European countries that are trying to screen, shelter and resettle hundreds of thousands of desperate families. Bigger picture: Guterres calls for a multilateral turn toward acceptance and respect — to defy groups like ISIS’s anti-refugee propaganda and recruiting machine.

Let’s not use Mars as a backup planet | Lucianne Walkowicz

Stellar astronomer and TED Senior Fellow Lucianne Walkowicz works on NASA’s Kepler mission, searching for places in the universe that could support life. So it’s worth a listen when she asks us to think carefully about Mars. In this short talk, she sug…

The exhilarating peace of freediving | Guillaume Néry

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.

An art made of trust, vulnerability and connection | Marina Abramović

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 sprawling art institute devoted to experimentation and simple acts done with mindful attention. “Nothing happens if you always do things the same way,” she says. “My method is to do things I’m afraid of, the things I don’t know, to go to territory that nobody’s ever been.”

What are animals thinking and feeling? | Carl Safina

What’s going on inside the brains of animals? Can we know what, or if, they’re thinking and feeling? Carl Safina thinks we can. Using discoveries and anecdotes that span ecology, biology and behavioral science, he weaves together stories of whales, wolves, elephants and albatrosses to argue that just as we think, feel, use tools and express emotions, so too do the other creatures – and minds – that share the Earth with us.

The future of news? Virtual reality | Nonny de la Peña

What if you could experience a story with your entire body, not just with your mind? Nonny de la Peña is working on a new form of journalism that combines traditional reporting with emerging virtual reality technology to put the audience inside the story. The result is an evocative experience that de la Peña hopes will help people understand the news in a brand new way.

The secret sneaker market — and why it matters | Josh Luber

Josh Luber is a “sneakerhead,” a collector of rare or limited sneakers. With their insatiable appetite for exclusive sneakers, these tastemakers drive marketing and create hype for the brands they love, specifically Nike, which absolutely dominates the…

The chilling aftershock of a brush with death | Jean-Paul Mari

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 pha…

How I’m working for change inside my church | Chelsea Shields

How do we respect someone’s religious beliefs, while also holding religion accountable for the damage those beliefs may cause? Chelsea Shields has a bold answer to this question. She was raised in the orthodox Mormon tradition, and she spent the early …

The moral bias behind your search results | Andreas Ekström

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 behind every algorithm is a set of personal beliefs that no code can ever completely eradicate.

A musical escape into a world of light and color | Kaki King

A genre unto herself, Kaki King fuses the ancient tradition of working with one’s hands with digital technology, projection-mapping imagery onto her guitar in her groundbreaking multimedia work “The Neck Is a Bridge to the Body.” Using her guitar’s nec…

A breakthrough new kind of wireless Internet | Harald Haas

What if we could use existing technologies to provide Internet access to the more than 4 billion people living in places where the infrastructure can’t support it? Using off-the-shelf LEDs and solar cells, Harald Haas and his team have pioneered a new …

A breakthrough new kind of wireless Internet | Harald Haas

What if we could use existing technologies to provide Internet access to the more than 4 billion people living in places where the infrastructure can’t support it? Using off-the-shelf LEDs and solar cells, Harald Haas and his team have pioneered a new …

Patrícia Medici: The coolest animal you know nothing about … and how we can save it

Although the tapir is one of the world’s largest land mammals, the lives of these solitary, nocturnal creatures have remained a mystery. Known as “the living fossil,” the very same tapir that roams the forests and grasslands of South America today arrived on the evolutionary scene more than 5 million years ago. Today, threats from poachers, deforestation and pollution, especially in quickly industrializing Brazil, threaten this longevity. In this insightful talk, conservation biologist, tapir expert and TED Fellow Patrícia Medici shares her work with these amazing animals and challenges us with a question: Do we want to be responsible for their extinction?

Mathias Jud: Art that lets you talk back to NSA spies

In 2013, the world learned that the NSA and its UK equivalent, GCHQ, routinely spied on the German government. Amid the outrage, artists Mathias Jud and Christoph Wachter thought: Well, if they’re listening … let’s talk to them. With antennas mounted…

Mathias Jud: Art that lets you talk back to NSA spies

In 2013, the world learned that the NSA and its UK equivalent, GCHQ, routinely spied on the German government. Amid the outrage, artists Mathias Jud and Christoph Wachter thought: Well, if they’re listening … let’s talk to them. With antennas mounted…

Christine Sun Kim: The enchanting music of sign language

Artist Christine Sun Kim was born deaf, and she was taught to believe that sound wasn’t a part of her life, that it was a hearing person’s thing. Through her art, she discovered similarities between American Sign Language and music, and she realized th…

Cesar Harada: How I teach kids to love science

At the Harbour School in Hong Kong, Cesar Harada teaches citizen science and invention to the next generation of environmentalists. He’s moved his classroom into an industrial mega-space where imaginative kids work with wood, metal, chemistry, biology,…

Hilary Cottam: Social services are broken. How we can fix them

When a family falls into crisis — and it sometimes happens, thanks to unemployment, drugs, bad relationships and bad luck — the social services system is supposed to step in and help them get back on track. As Hilary Cottam shows, in the UK a typical…

An Internet without screens might look like this | Tom Uglow

Designer Tom Uglow is creating a future in which humanity’s love for natural solutions and simple tools can coexist with our need for information and the devices that provide us with it. “Reality is richer than screens,” he says. “We can have a happy p…

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Jennifer Doudna: We can now edit our DNA. But let’s do it wisely

Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases … but could also be used to create so-called “designer babies.” Doudna reviews how CRISPR-Cas9 works — and asks the scientific community to pause and discuss the ethics of this new tool.

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We can now edit our DNA. But let’s do it wisely | Jennifer Doudna

Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases … but could also be used to create so-called “designer babies.” Doudna reviews how CRISPR-Cas9 works — and asks the scientific community to pause and discuss the ethics of this new tool.

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Will Potter: The secret US prisons you’ve never heard of before

Investigative journalist Will Potter is the only reporter who has been inside a Communications Management Unit, or CMU, within a US prison. These units were opened secretly, and radically alter how prisoners are treated — even preventing them from hugging their children. Potter, a TED Fellow, shows us who is imprisoned here, and how the government is trying to keep them hidden. “The message was clear,” he says. “Don’t talk about this place.” Find sources for this talk at willpotter.com/cmu

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The secret US prisons you’ve never heard of before | Will Potter

Investigative journalist Will Potter is the only reporter who has been inside a Communications Management Unit, or CMU, within a US prison. These units were opened secretly, and radically alter how prisoners are treated — even preventing them from hugging their children. Potter, a TED Fellow, shows us who is imprisoned here, and how the government is trying to keep them hidden. “The message was clear,” he says. “Don’t talk about this place.” Find sources for this talk at willpotter.com/cmu

The unexpected beauty of everyday sounds | Meklit Hadero

Using examples from birdsong, the natural lilt of emphatic language and even a cooking pan lid, singer-songwriter and TED Fellow Meklit Hadero shows how the everyday soundscape, even silence, makes music. “The world is alive with musical expression,” s…

Two nameless bodies washed up on the beach. Here are their stories | Anders Fjellberg

When two bodies wearing identical wetsuits washed ashore in Norway and the Netherlands, journalist Anders Fjellberg and photographer Tomm Christiansen started a search to answer the question: who were these people? What they found and reported in Norway’s “Dagbladet” is that everybody has a name, everybody has a story and everybody is someone.