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It's Okay to Be Smart
Why Some of the Rainbow is Missing
Season 11
Episode 14
Over 200 years ago, scientists were looking at sunlight through a prism when they noticed that part of the rainbow was missing. There were dark lines where there should have been colors. Since then, scientists have unlocked the secrets encoded in these lines, using it to uncover mind-boggling facts about the fundamental nature of our universe and about worlds light-years away.
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16:00
Just how big would a telescope need to be to actually see an alien world in detail?

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?!