Ideas change everything

Science

A collection of TED Talks (and more) on the topic of Science.

Video playlists about Science

Most popular TED Talks of 2025

Here are the talks everyone couldn’t stop watching in 2025. From how to spot deepfakes and read minds to breakthroughs in robotics and longer-lasting produce, these ideas captured attention — and sparked conversation worldwide.

The most popular TED Talks of 2022

What ideas intrigued and inspired the world this year? These TED Talks spread the quickest in 2022.

The most popular TED Talks of 2021

What ideas captured people's attention and took off the quickest? Here are the talks that intrigued and inspired in 2021.

Harnessing the future of data

Mind-blowing tech is right around the corner -- and the data to power it is here and now. Get an awe-inspiring look at the future that awaits with visionaries already predicting, embracing and innovating on the potential of tomorrow.

See all playlists on Science

Talks about Science

Katie Mack, Debbie Millman

A cosmologist's guide to the end of the universe

Luka Wright, Salomé Buglass

The gigantic forests you won’t find on land

Lisa Monteggia

Why depression isn't what you think

Alvaro Romero-Calvo, Theo St Francis

How does the space station never run out of oxygen?

Max Levy

Psychedelics, mind control, radiation-eating: The secret superpowers of fungi

Katina Bajaj

How play boosts your creativity and resilience

James G. Robinson

The unexpected wonders of my son's short life

Dhruv Khullar

Can Ozempic end addiction?

Kizzmekia Corbett

Your vaccine questions deserve real answers

Michael Snyder

Why I’m obsessed with health wearables (and you should be too)

Simon Trautman

What causes avalanches, and can you survive them?

Candice Odgers

What we're getting wrong about teens and tech

Tudor Achim

The path to mathematical superintelligence

Stephanie A. Poindexter

Meet the slow loris, the only venomous primate in existence

Silvana Konermann

The human cell is wildly complex. Can AI decode it?

Why does catnip make cats go crazy?

See all talks on Science

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