Lewis Pugh’s mind-shifting Mt. Everest swim
After he swam the North Pole, Lewis Pugh vowed never to take another cold-water dip. Then, he heard of Mt. Everest’s Lake Imja — a body of water at an altitude of 5,300 meters, entirely created by recent glacial melting — and began a journey that would teach him a radical new way to approach both swimming and think about climate change.

Legos for grownups
Lego blocks: playtime mainstay for industrious kids, obsession for many (ahem!) mature adults. Hillel Cooperman takes us on a trip through the beloved bricks’ colorful, sometimes oddball grownup subculture, featuring CAD, open-source robotics and a little adult behavior.

The politics of fiction
Listening to stories widens the imagination; telling them lets us leap over cultural walls, embrace different experiences, feel what others feel. Elif Shafak builds on this simple idea to argue that fiction can overcome identity politics.

The Art of Choosing
Sheena Iyengar studies how we make choices — and how we feel about the choices we make. At TEDGlobal, she talks about both trivial choices (Coke v. Pepsi) and profound ones, and shares her groundbreaking research that has uncovered some surprising attitudes about our decisions.

A headset that reads your brainwaves
Tan Le’s astonishing new computer interface reads its user’s brainwaves, making it possible to control virtual objects, and even physical electronics, with mere thoughts (and a little concentration). She demos the headset, and talks about its far-reaching applications.


