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It's Okay to Be Smart
Is There Life on Earth?
Season 7
Episode 1
If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.
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Season
17:34
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17:48
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11:18
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13:54
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14:03
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14:29
Join me on my visit to the most advanced cultivated meat production facility in the world.
14:03
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17:58
How the CIA used Cold War technology to study and combat climate change
13:58
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9:56
The glow from faster-than-light particles gives us a unique way to explore the universe.
10:40
A mysterious and highly impactful phenomenon that scientists are still learning about.
9:10
Countershading is everywhere, and it may be nature’s most successful form of camouflage.