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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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8:53
What do other life forms have to teach us about staying alive as we get old?

10:16
Eating turkey this holiday season? You’re eating a dinosaur!

6:08
The edge of everything might not even exist…

7:41
The 1918 Flu outbreak killed 5% of the world's population--could it happen again?

5:30
Scientists have discovered the largest river on Earth, and it’s in the sky above.

6:40
Teeth are made from some biological nanotechnology that will blow your mind.

5:24
Raindrops are shaped like teardrops, right? Wrong! Let's discover rain's true shape.

6:07
Turns out the inheritance of height is a lot more complicated than we thought.

6:33
Ever wondered why restaurants warn you about raw or undercooked seafood on their menus?

5:48
Got a bad habit you can’t break? That’s because it’s literally wired into your brain.

6:05
The answer led me to new knowledge about human development.

8:03
From anatomy to genes, here are some stories of how you got to be the way you are.