Do you ever order clothes online in different sizes and colors, just to try them on and then send back what doesn't work? Aparna Mehta used to do this all time, until she one day asked herself: Where do all these returned clothes go? In an eye-opening talk, she...

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....

As human beings, we get used to "the way things are" really fast. But for designers, the way things are is an opportunity ... Could things be better? How? In this funny, breezy talk, the man behind the iPod and the Nest thermostat shares some of his tips for noticing...

Most people instinctively avoid conflict, but as Margaret Heffernan shows us, good disagreement is central to progress. She illustrates (sometimes counterintuitively) how the best partners aren’t echo chambers -- and how great research teams, relationships and...

Russell Foster is a circadian neuroscientist: He studies the sleep cycles of the brain. And he asks: What do we know about sleep? Not a lot, it turns out, for something we do with one-third of our lives. In this talk, Foster shares three popular theories about why we...

The Internet connects billions of people and machines; it's the backbone of modern life. But tech pioneer Danny Hillis thinks the Internet just wasn't designed to grow this big -- and he fears that one big cyber-attack or glitch could shut it down and take...

Henry Markram says the mysteries of the mind can be solved -- soon. Mental illness, memory, perception: they're made of neurons and electric signals, and he plans to find them with a supercomputer that models all the brain's 100,000,000,000,000 synapses....

"Bonk" author Mary Roach delves into obscure scientific research, some of it centuries old, to make 10 surprising claims about sexual climax, ranging from the bizarre to the hilarious. (This talk is aimed at adults. Viewer discretion advised.)...

Refugee and immigrants rights attorney Melanie Nezer shares an urgently needed historical perspective on the crisis at the southern US border, showing how citizens can hold their governments accountable for protecting the vulnerable. "A country shows strength through...

When humanity first landed on the moon in 1969, the typeface Futura was right there with them. In this fascinating history of typography, designer Douglas Thomas shares Futura's role in launching the Apollo 11 spacecraft -- and how it became one of the most used fonts...

In a series of witty punchlines, Patrick Chappatte makes a poignant case for the power of the humble cartoon. His projects in Lebanon, West Africa and Gaza show how, in the right hands, the pencil can illuminate serious issues and bring the most unlikely people...

A handful of people working at a handful of tech companies steer the thoughts of billions of people every day, says design thinker Tristan Harris. From Facebook notifications to Snapstreaks to YouTube autoplays, they're all competing for one thing: your attention....