TED

To detect diseases earlier, let's speak bacteria's secret language | Fatima AlZahra'a Alatraktchi

Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophysicist...

How does income affect childhood brain development? | Kimberly Noble

Neuroscientist and pediatrician Kimberly Noble is leading the Baby's First Years study: the first-ever randomized study of how family income...

How centuries of sci-fi sparked spaceflight | Alex MacDonald

Long before we had rocket scientists, the idea of spaceflight traveled from mind to mind across generations. With great visuals, TED Fellow and...

A new class of drug that could prevent depression and PTSD | Rebecca Brachman

Current treatments for depression and PTSD only suppress symptoms, if they work at all. What if we could prevent these diseases from developing...

Creative ways to get kids to thrive in school | Olympia Della Flora

To get young kids to thrive in school, we need to do more than teach them how to read and write -- we need to teach them how to manage their...

How to keep human bias out of AI | Kriti Sharma

AI algorithms make important decisions about you all the time -- like how much you should pay for car insurance or whether or not you get that job...

The secret to scientific discoveries? Making mistakes | Phil Plait

Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever...

How you can help save the bees, one hive at a time | Noah Wilson-Rich

Bees are dying off in record numbers, but ecologist Noah Wilson-Rich is interested in something else: Where are bees healthy and thriving? To find...

An unexpected tool for understanding inequality: abstract math | Eugenia Cheng

How do we make sense of a world that doesn't? By looking in unexpected places, says mathematician Eugenia Cheng. She explains how applying concepts...

The "dementia village" that's redefining elder care | Yvonne van Amerongen

How would you prefer to spend the last years of your life: in a sterile, hospital-like institution or in a village with a supermarket, pub, theater...

Art that transforms cities into playgrounds of the imagination | Helen Marriage

Visual artist Helen Marriage stages astonishing, large-scale public art events that expand the boundaries of what's possible. In this visual tour...

"East Virginia" / "John Brown's Dream" | Nora Brown

In a mesmerizing set, musician Nora Brown breathes new life into two old-time banjo tunes: "East Virginia" and "John Brown's Dream." An evocative...

The most powerful woman you've never heard of | T. Morgan Dixon and Vanessa Garrison

Everyone's heard of Martin Luther King Jr. But do you know the woman Dr. King called "the architect of the civil rights movement," Septima Clark?...

Una idea osada para reemplazar a los políticos | César Hidalgo

César Hidalgo nos propone una idea radical para arreglar el sistema político roto: ¡automatízalo! En una charla que te hace reflexionar, explica la...