How pollution is changing the ocean's chemistry | Triona McGrath
As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as oce...
29 Touko 20179min
How to find a wonderful idea | OK Go
Where does OK Go come up with ideas like dancing in zero gravity, performing in ultra slow motion or constructing a warehouse-sized Rube Goldberg machine for their music videos? In between live perfor...
26 Touko 201717min
A secret weapon against Zika and other mosquito-borne diseases | Nina Fedoroff
Where did Zika come from, and what can we do about it? Molecular biologist Nina Fedoroff takes us around the world to understand Zika's origins and how it spread, proposing a controversial way to stop...
25 Touko 201715min
This is what democracy looks like | Anthony D. Romero
In a quest to make sense of the political environment in the United States in 2017, lawyer and ACLU executive director Anthony D. Romero turned to a surprising place -- a 14th-century fresco by Italia...
24 Touko 201712min
Why school should start later for teens | Wendy Troxel
Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinici...
18 Touko 201710min
What makes life worth living in the face of death | Lucy Kalanithi
In this deeply moving talk, Lucy Kalanithi reflects on life and purpose, sharing the story of her late husband, Paul, a young neurosurgeon who turned to writing after his terminal cancer diagnosis. "E...
16 Touko 201716min
3 principles for creating safer AI | Stuart Russell
How can we harness the power of superintelligent AI while also preventing the catastrophe of robotic takeover? As we move closer toward creating all-knowing machines, AI pioneer Stuart Russell is work...
15 Touko 201717min
Thoughts on humanity, fame and love | Shah Rukh Khan
"I sell dreams, and I peddle love to millions of people," says Shah Rukh Khan, Bollywood's biggest star. In this charming, funny talk, Khan traces the arc of his life, showcases a few of his famous da...
12 Touko 201717min
