Skip to main content

Up Next

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
Back to Show
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?

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
How Scientists Made the Hottest Thing Ever
13:38
A cosmic soup hadn’t existed in 13.8 billion years. Now, scientists cook it up in a lab.
Can a Billion Oysters Save New York City?
12:56
After a century of industrial pollution and superstorms, New York's waterways needs help!
Crash Test Science! (Hacking Physics To Save Lives)
37:33
Crashing a car is usually a terrible accident. But sometimes, it’s a way to save lives.
The Strange Psychology of Superfans
18:10
A huge part of our identities, emotions, and our lives get tied up...Why is that?
How Did X Become the Unknown (and so much else)?
10:57
X is everywhere and it’s probably thanks to math. But why is x the symbol for the unknown?
What Is The Most Average Thing?
17:34
What’s the most average thing in the universe? We’re on a mission to find it.
The Biggest Myth About Innovation
17:48
New ideas come from chance events and unexpected connections involved in working together.
Why Some of the Rainbow is Missing
11:18
Our universe locked incredible secrets in a code written in rainbows.
The Truth About Butterfly Metamorphosis (It's Very Weird)
13:54
Butterfly metamorphosis is one of nature’s most magical transformations.
How Scorpions Became Earth’s Ultimate Survivors
14:03
Scorpions are an evolutionary marvel with venom that could save lives.
Lab-Grown Meat is Here… and I Taste-Tested It!
14:29
Join me on my visit to the most advanced cultivated meat production facility in the world.
The Deadly Chemistry That Made Life Interesting
14:03
Life on Earth may have stayed boring and small if it weren’t thanks to one deadly element.
Active loading indicator