Why do Americans and Canadians celebrate Labor Day? | Kenneth C. Davis

The democratic process is messy, complicated and often inefficient -- but across Africa, activists are redefining democracy by putting protest at its center. In an illuminating talk, political scienti...

8 Feb 201810min

Mohamad Jebara loves mathematics -- but he's concerned that too many students grow up thinking that this beautiful, rewarding subject is difficult and boring. His company is experimenting with a bold ...

8 Feb 201813min

If architect and writer John Cary has his way, women will never need to stand in pointlessly long bathroom lines again. Lines like these are representative of a more serious issue, Cary says: the lack...

7 Feb 201813min

Su Kahumbu raises badass cows -- healthy, well-fed animals whose protein is key to solving a growing crisis in Africa: childhood nutritional stunting. With iCow, a simple SMS service she developed to ...

6 Feb 20187min

How deep into the Earth can we go and still find life? Marine microbiologist Karen Lloyd introduces us to deep-subsurface microbes: tiny organisms that live buried meters deep in ocean mud and have be...

6 Feb 201813min

The internet can be an ugly place, but you won't find bullies or trolls on Stuart Duncan's Minecraft server, AutCraft. Designed for children with autism and their families, AutCraft creates a safe onl...

2 Feb 201810min

Peter Ouko spent 18 years in Kamiti Prison in Kenya, sometimes locked up in a cell with 13 other grown men for 23 and a half hours a day. In a moving talk, he tells the story of how he was freed -- an...

2 Feb 20188min

Danielle Wood leads the Space Enabled research group at the MIT Media Lab, where she works to tear down the barriers that limit the benefits of space exploration to only the few, the rich or the elite...

1 Feb 201810min