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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
What is Impossible in Evolution?
19:29
We explore all the questions that teach us what's possible in evolution!
The Golden Ratio: Is It Myth or Math?
22:36
Let's find out exactly what is it!
When Is Now?
20:26
Let’s journey from Einstein’s thought experiments about relativity to answer it.
Visualizing Herd Immunity
14:49
We use lots and lots of mousetraps and ping-pong balls to show how this works.
Why Do We Lie?
16:43
Explore why we lie if we’re supposed to be the most socially developed species on Earth?
Glass is Solid… So Why Is It Clear?
5:42
Glass is made of sand, which is a kind of rock. But glass is transparent. We explore why!
Inside the Lab That Invented the COVID-19 Vaccine
11:20
This is how to make a COVID-19 vaccine.
How Ben Franklin Invented a New Science With His Kite
8:01
Do you know the true story of how his famous experiment changed the world?
Why Are There 7 Days In a Week? Explained
15:14
Here’s the true story of one of the oldest human customs still in use today.
Why Geckos Are Sticky Without Being Sticky
8:07
Geckos can grip and climb almost anything almost like they can defy gravity but how?
4 Ways the Universe Might End (All of Them Are Bad)
11:38
The world is going to end and scientists are certain all of this will happen.
The Fastest Animals Are Way Faster Than You Think
12:19
The fastest animal in nature isn't what you think it is. It's way, way smaller than that.
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