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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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16:18
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16:00
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26:19
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16:53
The key enzyme behind photosynthesis isn’t actually all that great at its job.

16:40
The oldest rocks on Earth are more than just ancient—they’re time machines!

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14:35
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12:15
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