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It's Okay to Be Smart
Why NASA Punched an Asteroid
Season 12
Episode 1
Where did life come from? It’s one of the biggest questions humans have ever asked — and the answer might be locked in ancient space rocks that were around before life began. To find out, NASA pulled off one of its most ambitious missions ever, landing on an asteroid and sending a rock sample back to Earth. Today, we’re going to take a look at what it brought back.
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8:53
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10:16
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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
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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?