Abigail Washburn wanted to be a lawyer improving US-China relations -- until she picked up a banjo. The TED Fellow tells a moving story of the connections she's formed touring across the US and China while playing that banjo and singing...

What is mass and what does it have to do with the Higgs Boson?

In this episode, Michael attempts to stump Hank and then they meet Kemo and Jessi from Animal Wonders.

Michael Aranda explains the nuts and bolts of Hyperloop, the new magnet-driven, solar-powered transit system proposed by Spacex genius Elon Musk. Learn how Musk answered three vexing questions to create the transportation of the future...

Build your own cloud chamber particle detector and test relativity at home!

It has NO EDGE. And NO CENTER... or does it?

In this low-key, image-packed talk from 2002, designer Christopher C. Deam talks about his makeover of an American classic: the Airstream travel trailer.

The world is full of leadership programs, but the best way to learn how to lead might be right under your nose. In this clear, candid talk, Roselinde Torres describes 25 years observing truly great leaders at work, and shares the three...

Un polyglotte sommeille en vous



Les langues, comme les espèces, ont évolués au cours des siècles et de nombreuses langues modernes ont des racines communes. Linguiste et polyglotte, Sébastien Roger de Nuñez nous...

Kenya's minibuses -- known as "matatus" -- offer a convenient, affordable and colorful way for people to get around. But they also pose safety risks and accessibility issues for many of their passengers, especially women. Bringing a...

We all go through challenges -- some you can see, most you can't, says Michele L. Sullivan. In a talk about perspective, Sullivan shares stories full of wit and wisdom and reminds us that we're all part of each other's support systems....

A 50-foot-long carnivore who hunted its prey in rivers 97 million years ago, the Spinosaurus is a "dragon from deep time." Paleontologist Nizar Ibrahim and his crew found new fossils, hidden in cliffs of the Moroccan Sahara desert, that...

We've broken down our preconceived notions about mass and time, now let's redefine what they really are. Since we know that time is not a universal constant, what is? Matt defines causal order and explains how even though time may look...

The place that travel writer Pico Iyer would most like to go? Nowhere. In a counterintuitive and lyrical meditation, Iyer takes a look at the incredible insight that comes with taking time for stillness. In our world of constant movement...

In which Hank celebrates the landing of the Mars Curiosity Rover which you know was pretty freaking cool. So here are the Top Five Coolest Things about the Mars Curiosity Rover!

People have suspected that Earth rotates for thousands of years, but how did we first prove it?

At TED2012, filmmaker Karen Bass shares some of the astonishing nature footage she's shot for the BBC and National Geographic -- including brand-new, previously unseen footage of the tube-lipped nectar bat, who feeds in a rather unusual...

A founding member of the Axis of Evil Comedy Tour, standup comic Maz Jobrani riffs on the challenges and conflicts of being Iranian-American -- "like, part of me thinks I should have a nuclear program; the other part thinks I can't be...

Sound can't actually travel through a vacuum like space, but scientists have learned that there's still plenty to hear.

Come with us to Italy to find out what went into measuring the FTL neutrinos.

Sounds in the ocean can travel more than 10,000 miles - that's halfway around the world! Here's how.

More and more people worldwide are living in countries not considered their own. Writer Pico Iyer -- who himself has three or four “origins” -- meditates on the meaning of home, the joy of traveling and the serenity of standing still.

Aziz Abu Sarah is a Palestinian activist with an unusual approach to peace-keeping: Be a tourist. The TED Fellow shows how simple interactions with people in different cultures can erode decades of hate. He starts with Palestinians...

In this video Paul Andersen details the action potential in neurons. The resting potential of a neuron (-70mV) is maintained through differences in concentration and permeability of Na, K, and Cl ions. A graded potential is created as...