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It’s Okay to Be Smart

What is Wind?

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 Smart58

Video thumbnail: It’s Okay to Be Smart There Was No First Human

It’s Okay to Be Smart

There Was No First Human

No, YOUR grandfather was a fish

3:44

There Was No First Human

3:44

Video thumbnail: It’s Okay to Be Smart Science of Marathon Running

It’s Okay to Be Smart

Science of Marathon Running

26.2 miles of awesome human evolution.

7:17

Science of Marathon Running

7:17

Video thumbnail: It’s Okay to Be Smart How The Elements Got Their Names

It’s Okay to Be Smart

How The Elements Got Their Names

There's a story inside every box

3:31

How The Elements Got Their Names

3:31

Video thumbnail: It’s Okay to Be Smart What Are The Most Important Science Images Ever?

It’s Okay to Be Smart

What Are The Most Important Science Images Ever?

One picture can change the world

6:23

What Are The Most Important Science Images Ever?

6:23

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