It may seem that big problems require big solutions, but ad man Rory Sutherland says many flashy, expensive fixes are just obscuring better, simpler answers. To illustrate, he uses behavioral economics and hilarious examples.
In his home of Namibia, John Kasaona is working on an innovative way to protect endangered animal species: giving nearby villagers (including former poachers) responsibility for caring for the animals. And it's working.
Democracy thrives on civil debate, Michael Sandel says -- but we're shamefully out of practice. He leads a fun refresher, with TEDsters sparring over a recent Supreme Court case (PGA Tour Inc. v. Martin) whose outcome reveals the critical ingredient in justice.
The band OK Go dreamed up the idea of a massive Rube Goldberg machine for their next music video -- and Adam Sadowsky's team was charged with building it. He tells the story of the effort and engineering behind their labyrinthine creation that quickly became the YouTube sensation "This Too Shall Pass."
In tough economic times, our exploratory science programs -- from space probes to the LHC -- are first to suffer budget cuts. Brian Cox explains how curiosity-driven science pays for itself, powering innovation and a profound appreciation of our existence.
The founder of 4chan, a controversial, uncensored online imageboard, describes its subculture, some of the Internet "memes" it has launched, and the incident in which its users managed a very public, precision hack of a mainstream media website. The talk raises questions about the power -- and price -- of anonymity.
Photographer Brian Skerry shoots life above and below the waves -- as he puts it, both the horror and the magic of the ocean. Sharing amazing, intimate shots of undersea creatures, he shows how powerful images can help make change.
Minority Report science adviser and inventor John Underkoffler demos g-speak -- the real-life version of the film's eye-popping, tai chi-meets-cyberspace computer interface. Is this how tomorrow's computers will be controlled?
Seth Berkley explains how smart advances in vaccine design, production and distribution are bringing us closer than ever to eliminating a host of global threats -- from AIDS to malaria to flu pandemics.
Filmmaker Sharmeen Obaid-Chinoy takes on a terrifying question: How does the Taliban convince children to become suicide bombers? Propaganda footage from a training camp is intercut with her interviews of young camp graduates. A shocking vision.
Copyright law's grip on film, music and software barely touches the fashion industry ... and fashion benefits in both innovation and sales, says Johanna Blakley. In her talk, she talks about what all creative industries can learn from fashion's free culture.
In this poignant, funny follow-up to his fabled 2006 talk, Sir Ken Robinson makes the case for a radical shift from standardized schools to personalized learning -- creating conditions where kids' natural talents can flourish.
Craig Venter and team make a historic announcement: they've created the first fully functioning, reproducing cell controlled by synthetic DNA. He explains how they did it and why the achievement marks the beginning of a new era for science.
As the world's attention focuses on the perils of oil exploration, we present Richard Sears' talk from early February 2010. Sears, an expert in developing new energy resources, talks about our inevitable and necessary move away from oil. Toward ... what?
Think of penguins as ocean sentinels, says Dee Boersma -- they're on the frontlines of sea change. Sharing stories of penguin life and culture, she suggests that we start listening to what penguins are telling us.
We all know the arguments that being vegetarian is better for the environment and for the animals -- but in a carnivorous culture, it can be hard to make the change. Graham Hill has a powerful, pragmatic suggestion: Be a weekday veg.
William Li presents a new way to think about treating cancer and other diseases: anti-angiogenesis, preventing the growth of blood vessels that feed a tumor. The crucial first (and best) step: Eating cancer-fighting foods that cut off the supply lines and beat cancer at its own game. NOTE: This talk was given in 2010, and this field of science has developed quickly since then. Enjoy it as a piece of science history but not as the last word on this topic. Read "Criticisms & updates" below for more details.
In this rare clip from 1972, legendary psychiatrist and Holocaust-survivor Viktor Frankl delivers a powerful message about the human search for meaning -- and the most important gift we can give others.
Today's math curriculum is teaching students to expect -- and excel at -- paint-by-numbers classwork, robbing kids of a skill more important than solving problems: formulating them. Dan Meyer shows classroom-tested math exercises that prompt students to stop and think.
Enric Sala shares glorious images -- and surprising insights and data -- from some of the most pristine areas of the ocean. He shows how we can restore more of our oceans to this healthy, balanced state, and the powerful ecological and economic benefits of doing so.
Nathan Myhrvold and team's latest inventions -- as brilliant as they are bold -- remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new, mosquito-zapping gizmo you have to see to believe.
We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits -- from happiness to obesity -- can spread from person to person, showing how your location in the network might impact your life in ways you don't even know.
Anil Gupta is on the hunt for the developing world's unsung inventors -- indigenous entrepreneurs whose ingenuity, hidden by poverty, could change many people's lives. He shows how the Honey Bee Network helps them build the connections they need -- and gain the recognition they deserve.
In this bracing talk, coral reef ecologist Jeremy Jackson lays out the shocking state of the ocean today: overfished, overheated, polluted, with indicators that things will get much worse. Astonishing photos and stats make the case.
To write his first studio album in decades, "A Map of the Floating City," Thomas Dolby has been working in the inspirational setting of a restored lifeboat. At TED2010 he premieres a gorgeous, evocative song from that album -- about one night with a legend. He's backed by members of the modern string quartet Ethel.
Simon Sinek has a simple but powerful model for inspirational leadership -- starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers ...
Alleviating poverty is more guesswork than science, and lack of data on aid's impact raises questions about how to provide it. But Clark Medal-winner Esther Duflo says it's possible to know which development efforts help and which hurt -- by testing solutions with randomized trials.