Back to Show
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.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

10:40
A mysterious and highly impactful phenomenon that scientists are still learning about.

9:10
Countershading is everywhere, and it may be nature’s most successful form of camouflage.

12:59
Global warming means more air conditioning…causing more warming 🤦. Could new chemistry he

14:49
How does iridescence work? From rainbow bubbles to beautiful birds, bugs, and gemstones.

11:53
Under house arrest in Egypt, one mathematician transformed how we examine the world.

8:32
Animals as simple as bees and as complex as you and me and have fun too!

13:10
We explore why embarrassment has lasted through evolution and its function.

13:49
We are in search of the blackest black things on Earth and why.

14:24
Knowing exactly what a “second” is is more complicated than you might think!

13:41
The secret is In order to know WHERE you are, you need to first know WHEN you are.

15:07
We learn how spider vision works.

12:44
Let's learn the story of one of the worst natural disasters that’s ever happened!