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TED

How to revive your belief in democracy | Eric Liu

Civic evangelist Eric Liu shares a powerful way to rekindle the spirit of citizenship and the belief that democracy still works. Join him for a trip to "Civic Saturday" ...

Why we ignore obvious problems — and how to act on them | Michele Wucker

Why do we often neglect big problems, like the financial crisis and climate change, until it's too late? Policy strategist Michele Wucker urges us to replace the ...

How to recover from activism burnout | Yana Buhrer Tavanier

When you're feeling burned out as an activist, what's the best way to bounce back? TED Senior Fellow Yana Buhrer Tavanier explores the power of "playtivism" ...

Can we cure genetic diseases by rewriting DNA? | David R. Liu

In a story of scientific discovery, chemical biologist David R. Liu shares a breakthrough: his lab's development of base editors that can rewrite DNA. This crucial ...

Helping others makes us happier -- but it matters how we do it | Elizabeth Dunn

Research shows that helping others makes us happier. But in her groundbreaking work on generosity and joy, social psychologist Elizabeth Dunn found that ...

The surprising connection between brain injuries and crime | Kim Gorgens

Here's a shocking statistic: 50 to 80 percent of people in the criminal justice system in the US have had a traumatic brain injury. In the general public, that number ...

How generational stereotypes hold us back at work | Leah Georges

The Silent Generation, baby boomers, Generation X, millennials, Gen Z -- we're all in the workforce together. How are our assumptions about each other holding ...

A personal air-quality tracker that lets you know what you're breathing | Romain Lacombe

How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces Flow: a ...

How hip-hop helps us understand science | Danielle N. Lee

In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- once thought to be strictly monogamous -- engaged in what's ...

Inside the black hole image that made history | Sheperd Doeleman

At the center of a galaxy more than 55 million light-years away, there's a supermassive black hole with the mass of several billion suns. And now, for the first time ...

Everything around you can become a computer | Ivan Poupyrev

Designer Ivan Poupyrev wants to integrate technology into everyday objects to make them more useful and fun -- like a jacket you can use to answer phone calls ...

The artificial muscles that will power robots of the future | Christoph Keplinger

Robot brains are getting smarter and smarter, but their bodies are often still clunky and unwieldy. Mechanical engineer Christoph Keplinger is designing a new ...

3 lessons on starting a movement from a self-defense trailblazer | Rana Abdelhamid

At 16, Rana Abdelhamid started teaching self-defense to women and girls in her neighborhood. Almost 10 years later, these community classes have grown into ...

Mind-blowing stage sculptures that fuse music and technology | Es Devlin

It starts with a sketch. Then it evolves into a larger-than-life visual masterpiece, a celebration of human connection. Follow along as legendary artist and designer ...

What refugees need to start new lives | Muhammed Idris

Every minute, 20 people are newly displaced by climate change, economic crisis and political instability, according to the UNHCR. How can we help them ...

Can we regenerate heart muscle with stem cells? | Chuck Murry

The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help ...

Empower a girl, transform a community | Kakenya Ntaiya

Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls and bring an end to harmful traditional practices in ...

How risk-taking changes a teenager's brain | Kashfia Rahman

Why do teenagers sometimes make outrageous, risky choices? Do they suddenly become reckless, or are they just going through a natural phase? To find out ...

Wearable tech that helps you navigate by touch | Keith Kirkland

Keith Kirkland is developing wearable tech that communicates information using only the sense of touch. He's trying to figure out: What gestures and vibration ...

What it's like to have Tourette's — and how music gives me back control | Esha Alwani

Esha Alwani began writing songs when she was six years old, shortly after being diagnosed with Tourette syndrome. And she noticed something amazing: ...

How to lead a conversation between people who disagree | Eve Pearlman

In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Veteran reporter Eve Pearlman introduces "dialogue journalism": ...