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How Your Body Knows Left From Right

How Your Body Knows Left From Right

Season 2 Episode 40
4:30
The Sun Is A Magnet!

The Sun Is A Magnet!

Season 2 Episode 41
1:36
The Oldest Living Things In The World

The Oldest Living Things In The World

Season 2 Episode 43
5:40
What If There Were No Sharks?

What If There Were No Sharks?

Season 2 Episode 44
4:33
The Real "Doctor Frankenstein"

The Real "Doctor Frankenstein"

Season 2 Episode 48
6:12
The Physics of Space Battles

The Physics of Space Battles

Season 2 Episode 55
5:13
A Slice of Pizza Science!

A Slice of Pizza Science!

Season 2 Episode 51
3:32
Why Do Clouds Stay Up?

Why Do Clouds Stay Up?

Season 2 Episode 52
5:13
Why Does The Earth Have Layers?

Why Does The Earth Have Layers?

Season 2 Episode 53
4:31
Could We Clone Ourselves?

Could We Clone Ourselves?

Season 2 Episode 28
5:31
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It's Okay to Be Smart

The Science of Kissing

Season 2 Episode 19

When you really think about it, kissing is an odd human behavior. You know, all the rubbing of our faces all over each other. So there must be a good reason why we do it, right? From motherly comforts to testing the genetic compatibility of your "mate" . . . the science of kissing is pretty awesome