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2:20
Why don't vultures get food poisoning?
3:54
A tablespoon of olive oil is put into a lake. After 10 min, a half-acre of waves are gone.
3:15
A team drills into the crater made by the asteroid that may have wiped out the dinosaurs.
3:49
These three things have been said to go faster than light, but do they?
1:44
A step-by-step guide to create your very own hydrothermal vent
1:37
After 50 years, Craig Packer & his team have records of the nearly 5,000 Serengeti lions.
2:21
That time when NOVA reported on the first sign of the ozone hole's depletion...in 1986
3:58
When you were an embryo, a parade of molecules sculpted the cells that became your face.
2:42
This ingenious experiment proves that gravity changes the color of light all around us.
2:32
Japanese master craftsmen turned a pile of crude iron into the deadly Samurai sword.
2:18
Learn how to send top-secret messages using quantum mechanics.
3:59
What are atomic clocks? And why do we need them?
