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It’s Okay to Be Smart

What is Wind?

Video duration: 2:38

Wind is everywhere. The air is constantly moving, sometimes gently, sometimes violently. Why? Pressure, temperature and rotation come together to make wind. Here's how.

Episodes of It’s Okay to Be Smart88

Video thumbnail: It’s Okay to Be Smart Your #ScienceWoman Heroes

It’s Okay to Be Smart

Your #ScienceWoman Heroes

We teamed up with Amy Poehler's Smart Girls to ask you who your #sciencewoman heroes are.

4:46

Your #ScienceWoman Heroes

4:46

Video thumbnail: It’s Okay to Be Smart How Many Heartbeats Do We Get?

It’s Okay to Be Smart

How Many Heartbeats Do We Get?

Science really gets my heart going…

4:27

How Many Heartbeats Do We Get?

4:27

Video thumbnail: It’s Okay to Be Smart 5 Weird Involuntary Behaviors Explained!

It’s Okay to Be Smart

5 Weird Involuntary Behaviors Explained!

Yawns, hiccups, twitchy eyes (and more) explained!

4:50

5 Weird Involuntary Behaviors Explained!

4:50

Video thumbnail: It’s Okay to Be Smart Why People Don't Believe In Climate Science

It’s Okay to Be Smart

Why People Don't Believe In Climate Science

Scientists overwhelmingly agree that our climate is changing.

6:50

Why People Don't Believe In Climate Science

6:50

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