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It's Okay to Be Smart

Are Some Species More Important Than Others?

We explore the universal rules of life that tie together Earth’s living systems. Traveling from Africa’s Serengeti plains to the nearly extinct prairies of the western U.S. to discover the unexpected species that determine the very existence of these places. Can an ecosystem survive without its keystone species? Can we restore endangered human cultures by bringing back a nearly-extinct ecosystem?

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Season
How Many Species Are There?
4:16
How do we protect what we don’t know exists?
Why It Is What Time It Is (The History of Time)
5:54
A brief history of time…
Is This A NEW SPECIES?!
8:06
What *is* a species anyway? And how do you know if you’ve found a new species?
Doomsday Machines
5:35
Nuclear weapons represent the darker side of E=mc^2.
Why Salt & Pepper?
5:23
Join the #AnythingButPepper movement!
Why Don't Other Animals Wear Glasses?
5:03
Vision impairment is common in humans, so why not the rest of the animal kingdom?
Where Did Zika Come From?
5:45
Mosquitos have been dangerous for, well... forever. So what's new about Zika?
Spit: Everything You Never Wanted To Know
4:41
Spit is critical for our health. Actually.
How These Ants Took Over the U.S
6:32
A song of ants and fire… and ant-decapitating flies.
Is Your Brain Too Old For Video Games?
6:25
Video games are still on the rise. Can you take the heat?
6 Chemical Reactions That Changed History
7:18
From fire to food, check out these life-altering reactions that surround us everyday.
The Cosmic Afterglow
3:27
The lingerling radiation from the ancient universe still surrounds us to this day.
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