Skip to main content

Up Next

The Science of Farts

The Science of Farts

Season 6 Episode 18
5:07
Why Do We Cry?

Why Do We Cry?

Season 6 Episode 20
4:20
Is Height Genetic?

Is Height Genetic?

Season 6 Episode 26
6:07
What Do Raindrops Really Look Like?

What Do Raindrops Really Look Like?

Season 6 Episode 27
5:24
Where Do Teeth Come From?

Where Do Teeth Come From?

Season 6 Episode 28
6:40
Back to Show
It's Okay to Be Smart

Biomass - How Much Does Life on Earth Weigh?

Season 6 Episode 17

Are humans really Earth’s most dominant species? Let’s put all of the planet’s living things on a scale and see what has amassed the most mass. This week we break down the concept of “biomass” to judge Earth’s living things from top to bottom, and see how humans have changed the world.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
Can We Get Older Without Aging?
8:53
What do other life forms have to teach us about staying alive as we get old?
There Might Be a Dinosaur On Your Dinner Table
10:16
Eating turkey this holiday season? You’re eating a dinosaur!
What is Farthest Away?
6:08
The edge of everything might not even exist…
What Made the 1918 Flu Pandemic So Deadly?
7:41
The 1918 Flu outbreak killed 5% of the world's population--could it happen again?
The Largest River On Earth Is In The Sky
5:30
Scientists have discovered the largest river on Earth, and it’s in the sky above.
Where Do Teeth Come From?
6:40
Teeth are made from some biological nanotechnology that will blow your mind.
What Do Raindrops Really Look Like?
5:24
Raindrops are shaped like teardrops, right? Wrong! Let's discover rain's true shape.
Is Height Genetic?
6:07
Turns out the inheritance of height is a lot more complicated than we thought.
Will You Still Eat Raw Fish After Watching This Video?
6:33
Ever wondered why restaurants warn you about raw or undercooked seafood on their menus?
How Habits Can Change Your Life (and Your Brain)
5:48
Got a bad habit you can’t break? That’s because it’s literally wired into your brain.
Why Do Disney Princesses All Look Like Babies?
6:05
The answer led me to new knowledge about human development.
Proof of Evolution Is Hiding in Your DNA
8:03
From anatomy to genes, here are some stories of how you got to be the way you are.
Active loading indicator