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How Many Species Are There?

How Many Species Are There?

Season 5 Episode 2
4:16
The Cheerios Effect

The Cheerios Effect

Season 5 Episode 37
5:08
The Superb Owl!

The Superb Owl!

Season 5 Episode 3
4:10
Should You Eat Everyday?

Should You Eat Everyday?

Season 5 Episode 38
4:38
How the Toilet Changed History

How the Toilet Changed History

Season 5 Episode 5
5:43
The Romantic Lure of Moonlight

The Romantic Lure of Moonlight

Season 5 Episode 40
3:46
How the Meter Became The Meter

How the Meter Became The Meter

Season 5 Episode 6
6:02
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It's Okay to Be Smart

Is This A NEW SPECIES?!

Season 5 Episode 1

This is the first-ever video of what we’re calling the "hermit crab caterpillar"! We’re pretty sure this strange caterpillar is a NEW SPECIES. We went to the Peruvian Amazon to see amazing things, but we never expected this :) But that makes me wonder: What *is* a species anyway? And how do you know if you’ve found a new species?

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