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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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8:19
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6:28
How will we do a Green Revolution 2.0?
10:44
Can trees really save us from climate change?
9:43
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11:30
I went to NASA in Houston to talk to astronaut Don Pettit.
7:20
Why is ice slippery? It's a more complicated answer than it seems!
11:11
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14:55
People say insects are the food of the future.
11:53
Here’s a rundown of a few of the human body’s biggest evolutionary fails!
13:11
Meet your cousin: Homo naledi.