So the Mars Rovers didn't scoop up any alien lifeforms. Scientist Penelope Boston thinks there's a good chance -- a 25 to 50 percent chance, in fact -- that life might exist on Mars, deep inside the planet's caves. She details how we should look and why.
In this unmissable look at the magic of comics, Scott McCloud bends the presentation format into a cartoon-like experience, where colorful diversions whiz through childhood fascinations and imagined futures that our eyes can hear and touch.
As cities adopt greener, more sustainable designs, there's risk of a dangerous and unwelcome tenant moving in: mosquitoes. Researcher Cameron Webb explains what urban planners and the general public need to understand about mosquitoes -- the deadliest animals on the planet -- in order to avoid future outbreaks of disease carried by these pesky i...
Why do we like an original painting better than a forgery? Psychologist Paul Bloom argues that human beings are essentialists -- that our beliefs about the history of an object change how we experience it, not simply as an illusion, but as a deep feature of what pleasure (and pain) is.
In this powerful talk, P.W. Singer shows how the widespread use of robots in war is changing the realities of combat. He shows us scenarios straight out of science fiction -- that now may not be so fictitious.
When game designer Jane McGonigal found herself bedridden and suicidal following a severe concussion, she had a fascinating idea for how to get better. She dove into the scientific research and created the healing game, SuperBetter. In this moving talk, McGonigal explains how a game can boost resilience -- and promises to add 7.5 minutes to your...
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.
Musician and researcher Charles Limb wondered how the brain works during musical improvisation -- so he put jazz musicians and rappers in an fMRI to find out. What he and his team found has deep implications for our understanding of creativity of all kinds.
Linus Torvalds transformed technology twice -- first with the Linux kernel, which helps power the Internet, and again with Git, the source code management system used by developers worldwide. In a rare interview with TED Curator Chris Anderson, Torvalds discusses with remarkable openness the personality traits that prompted his unique philosophy...
Many people think the lines on the map no longer matter, but Parag Khanna says they do. Using maps of the past and present, he explains the root causes of border conflicts worldwide and proposes simple yet cunning solutions for each.
Alain de Botton examines our ideas of success and failure -- and questions the assumptions underlying these two judgments. Is success always earned? Is failure? He makes an eloquent, witty case to move beyond snobbery to find true pleasure in our work.
Lighting architect Rogier van der Heide offers a beautiful new way to look at the world -- by paying attention to light (and to darkness). Examples from classic buildings illustrate a deeply thought-out vision of the play of light around us.
Hector Ruiz, the executive chair of AMD, wants to give Internet access to everyone. In this talk, he shares his extraordinary life story and describes AMD's 50x15 initiative that calls for connecting 50 percent of the world by 2015.
Jane Goodall hasn't found the missing link, but she's come closer than nearly anyone else. The primatologist says the only real difference between humans and chimps is our sophisticated language. She urges us to start using it to change the world.
The face of nuclear terror has changed since the Cold War, but disaster-medicine expert Irwin Redlener reminds us the threat is still real. He looks at some of history's farcical countermeasures and offers practical advice on how to survive an attack.
When Jimmy Nelson traveled to Siberia to photograph the Chukchi people, elders told him: "You cannot photograph us. You have to wait, you have to wait until you get to know us, you have to wait until you understand us." In this gorgeously photo-filled talk, join Nelson's quest to understand -- the world, other people, himself -- by making astoni...
Architect Norman Foster discusses his own work to show how computers can help architects design buildings that are green, beautiful and "basically pollution-free." From the 2007 DLD Conference, Munich; www.dld-conference.com
When companies think of diversity and inclusion, they too often focus on meeting metrics instead of building relationships with people of diverse backgrounds, says Starbucks COO Rosalind G. Brewer. In this personable and wide-ranging conversation with TED current affairs curator Whitney Pennington Rodgers, Brewer invites leaders to rethink what ...
Contraception. The topic has become controversial in recent years. But should it be? Melinda Gates believes that many of the world's social change issues depend on ensuring that women are able to control their rate of having kids. In this significant talk at TEDxChange, she makes the case for the world to re-examine an issue she intends to lend ...
Accepting his 2005 TED Prize, inventor Robert Fischell makes three wishes: redesigning a portable device that treats migraines, finding new cures for clinical depression and reforming the medical malpractice system.
Tyler Gilmore is a veteran of the Marines who vocally expressed his support for the trans ban. In this episode Dylan connects him to Maddie Makara, a veteran who served for 16 years and recently came out as a trans woman (Audio Only).