The best way to lower Earth’s temperature — fast | Daniel Zavala-Araiza

Tobacco causes more than seven million deaths every year -- and many of us are far more complicit in the problem than we realize. In a bold talk, oncologist Dr. Bronwyn King tells the story of how she...

27 Syys 201914min

“Building a 30-foot-high concrete structure from sea to shining sea is the most expensive and least effective way to do border security,” says Congressman Will Hurd, a Republican from Texas whose dist...

26 Syys 201917min

Genealogist Yaniv Erlich helped build the world’s largest family tree -- comprising 13 million people and going back more than 500 years. He shares fascinating patterns that emerged from the work -- a...

25 Syys 20199min

As a sex educator, Emily Nagoski is often asked: How do couples sustain a strong sexual connection over the long term? In this funny, insightful talk, she shares her answer -- drawing on (somewhat sur...

24 Syys 201910min

“Girls’ education is the closest thing we have to a silver bullet to help solve some of the world’s most difficult problems,” says social entrepreneur Safeena Husain. In a visionary talk, she shares h...

23 Syys 201910min

“Doctor, is this really necessary?” Backed by startling statistics about overtreatment, neurosurgeon Christer Mjåset explains the power of this and other simple questions in the context of medical tre...

19 Syys 201910min

To study a system as complex as the entire universe, astrophysicists need to be experts at extracting simple solutions from large data sets. What else could they do with this expertise? In an interdis...

17 Syys 20195min

Rising carbon levels in the atmosphere can make plants grow faster, but there’s another hidden consequence: they rob plants of the nutrients and vitamins we need to survive. In a talk about global foo...

16 Syys 201910min