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It's Okay to Be Smart
Attack of the Cosmic Space Junk!
Season 4
Episode 40
No astronauts were harmed in the making of this video.
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26:19
Dire wolves are back—sort of.
16:53
The key enzyme behind photosynthesis isn’t actually all that great at its job.
16:40
The oldest rocks on Earth are more than just ancient—they’re time machines!
17:11
This is one of the weirdest mysteries of human evolution: Why do we have grandmas?
12:28
Why do some people taste music or hear colors? Let’s talk about synesthesia.
14:35
How a chemical in lizard spit inspired one of the most important medical advancements.
12:15
These diamond makers create one of the most amazing materials on Earth — from dead people.
11:20
Learn nature’s ultimate game of hide-and-seek, and the way to win this game is all in the brain.
11:17
Nature has had to come up with some crazy ways to survive winter. None are weirder than hibernation.
12:40
Political scientist Don Green joins Joe to figure out the complex psychological and social factors t
16:27
Why do certain sounds make some of us so upset?!
11:43
Despite what you may have heard or learned in school, the sun is NOT the center of the solar system.