Back to Show
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.
Support Provided By

11:17
Nature has had to come up with some crazy ways to survive winter. None are weirder than hibernation.

12:40
Political scientist Don Green joins Joe to figure out the complex psychological and social factors t

16:27
Why do certain sounds make some of us so upset?!

11:43
Despite what you may have heard or learned in school, the sun is NOT the center of the solar system.

10:23
People see faces everywhere thanks to a quirk of the brain called visual pareidolia.

10:00
Why do the same, self-repeating patterns appear in trees, rivers, lightning, and even our bodies?

15:25
Our animal brains deal with quantities in very specific, and fascinating, ways.

12:54
Can new technologies make death prediction even more accurate?

21:33
AI may help us talk to whales soon. But should we?!

10:40
The cosmic distance ladder is the world’s longest ruler, built to measure the universe.

15:17
On April 8, North America is getting a total solar eclipse. Here’s what you need to know.

12:09
Learn about the space junk problem and the giant space claw named ClearSpace-1 that might