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Why some people find exercise harder than others - Emily Balcetis
lesson duration 14:09
472,205 views
How do steroids affect your muscles— and the rest of your body? - Anees Bahji
lesson duration 05:49
1,431,543 views
The best kindergarten you’ve ever seen - Takaharu Tezuka
lesson duration 09:52
1,251,391 views
Is human evolution speeding up or slowing down?
lesson duration 05:48
1,363,075 views
Why it’s so hard to make healthy decisions - David Asch
lesson duration 16:54
368,973 views
What happens to your body when you start exercising regularly
lesson duration 04:19
6,948,432 views
Hacking bacteria to fight cancer
lesson duration 05:11
290,441 views
Why domestic violence victims don’t leave - Leslie Morgan Steiner
lesson duration 16:00
3,358,028 views
The surprising reason our muscles get tired
lesson duration 04:25
4,156,584 views
