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It's Okay to Be Smart
Will Earth Run Out of Oxygen
Season 13
Episode 4
Plants eat sunlight and air to make life. But the key enzyme behind it all, called RuBisCO, isn’t actually all that great at its job. Let’s talk about how photosynthesis really works, why oxygen isn’t coming from where you think, and whether we can fix the biggest flaw in one of Earth’s most essential processes.
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15:07
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12:44
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27:56
We learn about all the reasons that Earth’s climate changes, natural and otherwise.

12:31
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10:00
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8:29
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17:59
Turns out we’re all at risk of being overconfident about something.

19:10
There's an absolutely weird, but surprisingly common phenomenon called sensory adaptation.

11:50
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10:41
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19:07
Illusions teach us how our brain constructs a three-dimensional reality using 2-D images.

22:18
Joe talks biology with science communicator extraordinaire Prof. Brian Cox.