Science & Technology
Why did hospitals have these frogs in their supply rooms?
Lesson duration 05:16
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Science & Technology
What the fossil fuel industry doesn't want you to know - Al Gore
Lesson duration 25:45
Psychology
Why change is so scary — and how to unlock its potential - Maya Shankar
Lesson duration 13:32
Design, Engineering & Technology
How the water you flush becomes the water you drink
Lesson duration 05:23
Psychology
Why thinking about death helps you live a better life - Alua Arthur
Lesson duration 18:38
Science & Technology
Whoever builds something here will be rich beyond measure
Lesson duration 05:04
Design, Engineering & Technology
What happens if you don’t put your phone in airplane mode?
Lesson duration 04:55
