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How Bees Can See the Invisible

How Bees Can See the Invisible

Season 1 Episode 7
2:43
Why Music Moves Us

Why Music Moves Us

Season 1 Episode 8
4:47
Making Music From Space!

Making Music From Space!

Season 1 Episode 9
3:16
Why Does the Wind Blow?

Why Does the Wind Blow?

Season 1 Episode 10
2:38
Paying Attention in the Digital Age

Paying Attention in the Digital Age

Season 1 Episode 11
5:20
The Science of Rainbows

The Science of Rainbows

Season 1 Episode 12
5:36
Why Don't Big Animals Get More Cancer?

Why Don't Big Animals Get More Cancer?

Season 10 Episode 2
9:42
How Illusions Can Explain Reality

How Illusions Can Explain Reality

Season 10 Episode 4
19:07
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It's Okay to Be Smart

Why is the sky any color?

Season 1 Episode 4

Why is the sky blue? It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is one of the last colors that cultures pick out a word for.

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