James Delahoussaye

Decades ago, a civil war in Sierra Leone left thousands as amputees. Researcher and current Education Minister David Moinina Sengeh set out to help them with a more comfortable socket for prostheses.

In Marvel's "America," Gabby Rivera wrote a superhero who's queer, Latina, and punches portals across dimensions. She shares why it's empowering to write characters that mirror her identity.

Hrishikesh Hirway always wanted to be a musician. When his dream didn't go as planned, he navigated complex feelings of success and failure — embracing opportunities that became unexpected gifts.

The technology powering many apps and services seems automatic. But anthropologist Mary L. Gray explains how there are millions of hidden workers behind the screen who are key to making it all work.

Artist Holly Herndon created an AI clone of her voice that can sing in any languages and in any tone. In her music, Holly shows how AI can enhance the power and artistry of the voice.

Laying eggs may seem like a simple way to reproduce compared to human birth, but biologist Carin Bondar says bird moms are the micromanagers of the animal kingdom.

Are we alone in the universe? This hour, we travel the cosmos with TED science curator David Biello in search of extraterrestrial life, uncovering how it may look and how we'll know we've found it.

Artificial intelligence and people often struggle to seamlessly interact. Computer scientist Vinith Misra shares how computational humor could help bridge the gap between humans and their machines.

Geothermal energy is a clean, renewable, nearly limitless energy source. Technologist Jamie Beard wants us to use more of it — and to do that, she's recruiting experts from the fossil fuel industry.

Manufacturers intentionally make their products hard to fix. Right-to-repair advocate Gay Gordon-Byrne fights for laws to stop companies from monopolizing repairs and let people fix their own stuff.