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It’s Okay to Be Smart

Whose Air do we Share?

Video duration: 3:24

Earth's atmosphere is big, but not as big as many people think. All the air that keeps us alive is just a thin candy shell around our planet. In this episode, echoing the words of John F. Kennedy, I'll show you the science of how we all share the same air. So let's be careful about what we're putting in it.

Episodes of It’s Okay to Be Smart80

Video thumbnail: It’s Okay to Be Smart Why Does The Earth Have Layers?

It’s Okay to Be Smart

Why Does The Earth Have Layers?

…or why we live on an onion made of magma

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Why Does The Earth Have Layers?

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Video thumbnail: It’s Okay to Be Smart Why Do Clouds Stay Up?

It’s Okay to Be Smart

Why Do Clouds Stay Up?

There's nothing wrong with having your head in the clouds

5:13

Why Do Clouds Stay Up?

5:13

Video thumbnail: It’s Okay to Be Smart A Slice of Pizza Science!

It’s Okay to Be Smart

A Slice of Pizza Science!

How does math keep a folded slice from drooping?

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A Slice of Pizza Science!

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Video thumbnail: It’s Okay to Be Smart The Physics of Space Battles

It’s Okay to Be Smart

The Physics of Space Battles

How scientifically accurate is your favorite sci-fi space battle?

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The Physics of Space Battles

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