TED Talks Science and Medicine

Some biological structures are so small that scientists can't see them with even the most powerful microscopes. That's where molecular animator and TED Fellow Janet Iwasa gets creative. Explore vast, ...

Did you know that one of the most notorious poisons is also a key ingredient for life as we know it? Join space chemist Karin Öberg and learn how she scans the universe in search of this paradoxical c...

Indigenous languages across North America are under threat of extinction due to the colonial legacy of cultural erasure, says linguist Lindsay Morcom. Highlighting grassroots strategies developed by t...

Monarch butterflies are dying at an alarming rate around the world -- a looming extinction that could also put human life at risk. But we have just the thing to help save these insects, says author Ma...

To tackle a problem as large as climate change, we need both science and Indigenous wisdom, says environmental activist Hindou Oumarou Ibrahim. In this engaging talk, she shares how her nomadic commun...

The common thinking on biological sex goes like this: females have two X chromosomes in their cells, while males have one X and one Y. In this myth-busting talk, science writer and podcaster Molly Web...

The climate crisis is too vast and complicated to solve with a silver bullet, says author David Wallace-Wells. What we need is a shift in how we live. Follow along as he lays out some of the dramatic ...

The ocean is a naturally noisy place full of singing whales, grunting fish, snapping shrimp, cracking ice, wind and rain. But human-made sounds -- from ship engines to oil drilling -- have become an a...

Ask any deep space navigator like Jill Seubert what makes steering a spacecraft difficult, and they'll tell you it's all about the timing; a split-second can decide a mission's success or failure. So ...

To save the achoque -- an exotic (and adorable) salamander found in a lake in northern Mexico -- scientists teamed up with an unexpected research partner: a group of nuns called the Sisters of the Imm...