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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
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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.