In the beginning of the universe, all was darkness — until the first organisms developed sight, which ushered in an explosion of life, learning and progress. AI pioneer Fei-Fei Li says a similar moment is…

We’re programmed to think every issue is binary: “us vs. them.” But Daniel Lubetzky, the founder of KIND Snacks, says the real enemy isn’t a person but a mindset. He introduces a new initiative that…

Bill Ackman has made billions of dollars — and a name for himself — as an activist investor, buying up stock to push for change at companies. In this wide-ranging conversation with author and business…

There’s a reliable indicator of a woman’s future likelihood of cardiovascular disease — but it rarely gets asked about, says obstetrician and researcher Meryam Sugulle. She delves into the role of the placenta in pregnancy,…

In an exploration of conflict and diplomacy, president and founder of Eurasia Group and GZERO Media Ian Bremmer joins TED’s Helen Walters to unravel the ideological underpinnings, contrasting objectives and humanitarian crises defining the current…

Here’s a conundrum: the same aerosol pollutants that harm human health also help cool the climate, says atmospheric scientist Sarah J. Doherty. Is there a way to clean up the air without warming the planet?…

In an exclusive preview of unreleased technology, designer and inventor Jason Rugolo unveils an entirely new kind of computer you can talk to like a friend. This “audio computer” — which can augment the sounds…

The political system in the United States needs a redesign, says political reformer Andrew Yang. Exposing the flaws of a system built on poor incentives, he proposes a cost-effective overhaul inspired by primary elections already…

How much should we invest in teachers, and what should new investment actually involve? Education innovator Randy Seriguchi Jr. suggests the US should create a “G.I. Bill” for teachers, with a particular emphasis on uplifting…

Marrying for love is a relatively recent phenomenon for humanity, and we still don’t fully understand what it means for building successful relationships, says author and psychiatrist George Blair-West. Drawing from his extensive experience working…