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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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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!
27:56
We learn about all the reasons that Earth’s climate changes, natural and otherwise.
12:31
Turns out, we can blame it all on neutron stars and some oddities of the periodic table.
10:00
Join Joe in this whirlwind tour of the endocrine system to find the answers.
8:29
Is Everest the tallest mountain on Earth? The answer is not as simple as you might think.
17:59
Turns out we’re all at risk of being overconfident about something.