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.

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Talks about Science

Ariel Ekblaw, Meghan Sullivan

How to live a good life — on Earth and in space

Mark Whittle

This is what the birth of the universe sounded like

Mark Rober, Whitney Pennington Rodgers

How to make learning impossibly fun

Robbie Schingler

How satellites and AI can protect the planet

Jessica Malaty Rivera, Whitney Pennington Rodgers

The infodemic — and the scientists fighting against it

Katie Mack, Debbie Millman

A cosmologist's guide to the end of the universe

Luka Wright, Salomé Buglass

The mystery of the giant kelp forest

Lisa Monteggia

Why depression isn't what you think

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