What does environmental devastation actually look like? At TEDxVictoria, photographer Garth Lenz shares shocking photos of the Alberta Tar Sands mining project -- and the beautiful (and vital) ecosystems under threat.
Five years ago, Roz Savage quit her high-powered London job to become an ocean rower. She's crossed the Atlantic solo, and just started the third leg of a Pacific solo row, the first for a woman. Why does she do it? Hear her reasons, both deeply personal and urgently activist.
James Cameron's big-budget (and even bigger-grossing) films create unreal worlds all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how it ultimately drove the success of his blockbuster hits "Aliens," "The Terminator," "Titanic" and "Avatar."
Daphne Koller is enticing top universities to put their most intriguing courses online for free -- not just as a service, but as a way to research how people learn. With Coursera (cofounded by Andrew Ng), each keystroke, quiz, peer-to-peer discussion and self-graded assignment builds an unprecedented pool of data on how knowledge is processed.
John Gerzema says there's an upside to the recent financial crisis -- the opportunity for positive change. In this talk, he identifies four major cultural shifts driving new consumer behavior and shows how businesses are evolving to connect with thoughtful spending.
Mae Jemison is an astronaut, a doctor, an art collector, a dancer ... Telling stories from her own education and from her time in space, she calls on educators to teach both the arts and sciences, both intuition and logic, as one -- to create bold thinkers.
What do you learn when you sail around the world on your own? When solo sailor Ellen MacArthur circled the globe – carrying everything she needed with her – she came back with new insight into the way the world works, as a place of interlocking cycles and finite resources, where the decisions we make today affect what's left for tomorrow. She pr...
There's an astronaut saying: In space, “there is no problem so bad that you can’t make it worse.” So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield paints a vivid portrait of how to be prepared for the worst in space (and life) -- and it starts with walking ...
Investing in women can unlock infinite potential around the globe. But how can women walk the line between Western-style empowerment and traditional culture? Kavita Ramdas of the Global Fund for Women talks about three encounters with powerful women who fight to make the world better -- while preserving the traditions that sustain them.
Aboard Mission Blue, scientist Greg Stone tells the story of how he helped the Republic of Kiribati to create an enormous protected area in the middle of the Pacific -- protecting fish, sealife and perhaps the island nation itself.
Every star we see in the sky has at least one planet orbiting it, says astronomer Sara Seager. So what do we know about these exoplanets, and how can we find out more? Seager introduces her favorite set of exoplanets and shows new technology that can help collect information about them -- and even help us look for exoplanets with life.
Nicholas Negroponte talks about how One Laptop per Child is doing, two years in. Speaking at the EG conference while the first XO laptops roll off the production line, he recaps the controversies and recommits to the goals of this far-reaching project.
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.
People often credit their ideas to individual "Eureka!" moments. But Steven Johnson shows how history tells a different story. His fascinating tour takes us from the "liquid networks" of London's coffee houses to Charles Darwin's long, slow hunch to today's high-velocity web.
How do fast-paced video games affect the brain? Step into the lab with cognitive researcher Daphne Bavelier to hear surprising news about how video games, even action-packed shooter games, can help us learn, focus and, fascinatingly, multitask.
Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning that he found in online video.
In a culture where being social and outgoing are prized above all else, it can be difficult, even shameful, to be an introvert. But, as Susan Cain argues in this passionate talk, introverts bring extraordinary talents and abilities to the world, and should be encouraged and celebrated.
Behavioral economist Dan Ariely studies the bugs in our moral code: the hidden reasons we think it's OK to cheat or steal (sometimes). Clever studies help make his point that we're predictably irrational -- and can be influenced in ways we can't grasp.
Meet seven all-terrain robots -- like the humanoid, soccer-playing DARwIn and the cliff-gripping CLIMBeR -- built by Dennis Hong's robotics team at RoMeLa, based at Virginia Tech. Watch to the end for the five creative secrets to his lab's success.
When Jamie Heywood's brother was diagnosed with ALS, he devoted his life to fighting the disease as well. The Heywood brothers built an ingenious website where people share and track data on their illnesses -- and they discovered that the collective data had enormous power to comfort, explain and predict.
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...
In this engaging talk from the EG'08 conference, New York Times tech columnist David Pogue rounds up some handy cell phone tools and services that can boost your productivity and lower your bills (and your blood pressure).
"Freakonomics" author Steven Levitt presents new data on the finances of drug dealing. Contrary to popular myth, he says, being a street-corner crack dealer isn't lucrative: It pays below minimum wage. And your boss can kill you.
In 1993, Bill and Melinda Gates took a walk on the beach and made a big decision: to give their Microsoft wealth back to society. In conversation with Chris Anderson, the couple talks about their work at the Bill & Melinda Gates Foundation, as well as their marriage, their children, their failures and the satisfaction of giving most of their...
Educator and entrepreneur Sebastian Thrun wants us to use AI to free humanity of repetitive work and unleash our creativity. In an inspiring, informative conversation with TED Curator Chris Anderson, Thrun discusses the progress of deep learning, why we shouldn't fear runaway AI and how society will be better off if dull, tedious work is done wi...