Freedom from cars, freedom from sprawl, freedom to walk your city! City planner Jeff Speck shares his "general theory of walkability" -- four planning principles to transform sprawling cities of six-lane highways and 600-foot blocks into safe, walkable oases full of bike lanes and tree-lined streets.
In this Princeton University graduation address, Amazon founder Jeff Bezos makes the case that our character is reflected not in the gifts we're endowed with at birth, but by the choices we make over the course of a lifetime.
Jeff Smith spent a year in prison. But what he discovered inside wasn't what he expected -- he saw in his fellow inmates boundless ingenuity and business savvy. He asks: Why don't we tap this entrepreneurial potential to help ex-prisoners contribute to society once they're back outside? (From the TED Talent Search event TED@NewYork.)
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, life-threatening prosthetic device" -- by making our cities more walkable and more pleasant for more people.
Who hasn’t sent a text message saying “I’m on my way” when it wasn’t true or fudged the truth a touch in their online dating profile? But Jeff Hancock doesn’t believe that the anonymity of the internet encourages dishonesty. In fact, he says the searchability and permanence of information online may even keep us honest.
Treo creator Jeff Hawkins urges us to take a new look at the brain -- to see it not as a fast processor, but as a memory system that stores and plays back experiences to help us predict, intelligently, what will happen next.
The earth is a big place to keep clean. With Litterati -- an app for users to identify, collect and geotag the world's litter -- TED Resident Jeff Kirschner has created a community that's crowdsource-cleaning the planet. After tracking trash in more than 100 countries, Kirschner hopes to use the data he's collected to work with brands and organi...
The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid itself of vital nutrients? New research suggests it has to do with sleep.
Tango, waltz, foxtrot ... these classic ballroom dances quietly perpetuate an outdated idea: that the man always leads and the woman always follows. That's an idea worth changing, say Trevor Copp and Jeff Fox, as they demonstrate their "Liquid Lead" dance technique along with fellow dancer Alida Esmail. Watch as Copp and Fox captivate and comman...
Once an up-and-coming star in the Missouri State Senate, Jeff Smith went to prison for covering up an election law violation. Since his release, he's created a new space for himself as a professor, writer, political commentator and advocate for those he was locked up with.
We're lied to 10 to 200 times a day, and tell a lie ourselves an average of 1 to 2 times in the same period. These talks will help you understand why — and will make you better at sussing out the truth.
Jeff Hawkins pioneered the development of PDAs such as the Palm and Treo. Now he's trying to understand how the human brain really works, and adapt its method -- which he describes as a deep system for storing memory -- to create new kinds of computers and tools.
Jeff Skoll was the first president of eBay; he used his dot-com fortune to found the film house Participant Productions, making movies to inspire social change, including Syriana; Good Night, and Good Luck; Murderball; An Inconvenient Truth ...
More than 2.3 million people in the United States are in prison or jail. Here, talks that speak to the experience of life behind bars—and different perspectives on what can make it a rehabilitating experience.
About this talk: Former Air Force Reserve Colonel Jeff Kozak once saved his company $500,000 in just 10 days by approaching a jet fuel problem with a seemingly backwards strategy. Kozak’s success resulted in the development of a new, optimized process for mid-air refueling that was initially resisted by many in his industry. On the TED@UPS stage...