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Dambisa Moyo: Is China the new idol for emerging economies?
The developed world holds up the ideals of capitalism, democracy and political rights for all. Those in emerging markets often don't have that luxury. In this powerful...
Arthur Benjamin: The magic of Fibonacci numbers
Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series....
Mikko Hypponen: How the NSA betrayed the world's trust -- time to act
Recent events have highlighted, underlined and bolded the fact that the United States is performing blanket surveillance on any foreigner whose data passes through an...
Grégoire Courtine: The paralyzed rat that walked
A spinal cord injury can sever the communication between your brain and your body, leading to paralysis. Fresh from his lab, Grégoire Courtine shows a new method --...
Robin Nagle: What I discovered in New York City trash
New York City residents produce 11,000 tons of garbage every day. Every day! This astonishing statistic is just one of the reasons Robin Nagle started a research project...
Rodrigo Canales: The deadly genius of drug cartels
Up to 100,000 people died in drug-related violence in Mexico in the last 6 years. We might think this has nothing to do with us, but in fact we are all complicit, says Yale...
Dong Woo Jang: The art of bow-making
Dong Woo Jang has an unusual after school hobby. Jang, who was 15 when he gave the talk, tells the story of how living in the concrete jungle of Seoul inspired him to build...
Holly Morris: Why stay in Chernobyl? Because it's home.
Chernobyl was the site of the world's worst nuclear accident and, for the past 27 years, the area around the plant has been known as the Exclusion Zone. And yet, a...
Abha Dawesar: Life in the "digital now"
One year ago, Abha Dawesar was living in blacked-out Manhattan post-Sandy, scrounging for power to connect. As a novelist, she was struck by this metaphor: Have our lives...
Mohamed Hijri: A simple solution to the coming phosphorus crisis
Biologist Mohamed Hijri brings to light a farming crisis no one is talking about: We are running out of phosphorus, an essential element that's a key component of DNA and...
Mariana Mazzucato: Government -- investor, risk-taker, innovator
Why doesn’t the government just get out of the way and let the private sector -- the “real revolutionaries” -- innovate? It’s rhetoric you hear everywhere, and Mariana...
Xavier Vilalta: Architecture at home in its community
When TED Fellow Xavier Vilalta was commissioned to create a multistory shopping mall in Addis Ababa, he panicked. Other centers represented everything he hated about...
Gian Giudice: Why our universe might exist on a knife-edge
The biggest surprise of discovering the Higgs boson? That there were no surprises. Gian Giudice talks us through a problem in theoretical physics: what if the Higgs field...
Parul Sehgal: An ode to envy
What is jealousy? What drives it, and why do we secretly love it? No study has ever been able to capture its “loneliness, longevity, grim thrill” -- that is, says Parul...
Charles Robertson: Africa's next boom
The past decade has seen slow and steady economic growth across the continent of Africa. But economist Charles Robertson has a bold thesis: Africa's about to boom. He talks...
Steve Howard: Let's go all-in on selling sustainability
The big blue buildings of Ikea have sprouted solar panels and wind turbines; inside, shelves are stocked with LED lighting and recycled cotton. Why? Because as Steve Howard...
Hetain Patel: Who am I? Think again
How do we decide who we are? Hetain Patel's surprising performance plays with identity, language and accent -- and challenges you to think deeper than surface appearances....
Alessandro Acquisti: Why privacy matters
The line between public and private has blurred in the past decade, both online and in real life, and Alessandro Acquisti is here to explain what this means and why it...
Iwan Baan: Ingenious homes in unexpected places
In the center of Caracas, Venezuela, stands the 45-story "Tower of David," an unfinished, abandoned skyscraper. But about eight years ago, people started moving in....
Amanda Bennett: We need a heroic narrative for death
Amanda Bennett and her husband were passionate and full of life all throughout their lives together -- and up until the final days, too. Bennett gives a sweet yet powerful...
Jeff Speck: The walkable city
How do we solve the problem of the suburbs? Urbanist Jeff Speck shows how we can free ourselves from dependence on the car -- which he calls "a gas-belching, time-wasting,...
Andrew Fitzgerald: Adventures in Twitter fiction
In the 1930s, broadcast radio introduced an entirely new form of storytelling; today, micro-blogging platforms like Twitter are changing the scene again. Andrew Fitzgerald...
Gary Slutkin: Let's treat violence like a contagious disease
Physician Gary Slutkin spent a decade fighting tuberculosis, cholera and AIDS epidemics in Africa. When he returned to the United States, he thought he'd escape brutal...
Trita Parsi: Iran and Israel: Peace is possible
Iran and Israel: two nations with tense relations that seem existentially at odds. But for all their antagonistic rhetoric, there is a recent hidden history of...
Janette Sadik-Khan: New York's streets? Not so mean any more
In this funny and thought-provoking talk, Janette Sadik-Khan, transportation commissioner of New York City, shares projects that have reshaped street life in the 5...
Michael Sandel: Why we shouldn't trust markets with our civic life
In the past three decades, says Michael Sandel, the US has drifted from a market economy to a market society; it's fair to say that an American's experience of shared civic...
Michael Porter: Why business can be good at solving social problems
Why do we turn to nonprofits, NGOs and governments to solve society's biggest problems? Michael Porter admits he's biased, as a business school professor, but he wants you...
Jason Pontin: Can technology solve our big problems?
In 1969, Buzz Aldrin’s historical step onto the moon leapt mankind into an era of technological possibility. The awesome power of technology was to be used to solve all of...
Fabian Oefner: Psychedelic science
Swiss artist and photographer Fabian Oefner is on a mission to make eye-catching art from everyday science. In this charming talk, he shows off some recent psychedelic...
Amy Webb: How I hacked online dating
Amy Webb was having no luck with online dating. The dates she liked didn't write her back, and her own profile attracted crickets (and worse). So, as any fan of data would...
Kelli Swazey: Life that doesn't end with death
In Tana Toraja, weddings and births aren’t the social gatherings that knit society together. In this part of Indonesia, big, raucous funerals form the center of social...
Malcolm Gladwell: The unheard story of David and Goliath
It's a classic underdog tale: David, a young shepherd armed only with a sling, beats Goliath, the mighty warrior. The story has transcended its biblical origins to become a...
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