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It's Okay to Be Smart
Where Did Life Come From?
Season 6
Episode 9
The origin of life is one of the most important mysteries in all of science. When did life begin? How did life first evolve from chemistry? Where did life get started? In some primordial soup or somewhere else? Let’s journey back to the origin of life, as best as we know it, from the RNA world do the last universal common ancestor of everything alive today.
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Stay informed. Stay cautious, but not scared.

12:19
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8:23
The sunlight we see is tens of thousands of years old. How is that possible?

8:19
If humans are so smart, why are our babies so… un-smart?

6:28
How will we do a Green Revolution 2.0?

10:44
Can trees really save us from climate change?

9:43
Could You Be a Chimera?

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
Recycling is broken. Here's how we can fix it.

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!