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It's Okay to Be Smart
Inside the Largest Living Thing On Earth
Season 9
Episode 14
The biggest thing that has ever lived on Earth… is a tree? Hard to believe, but it’s true. Travel with me to the Rocky Mountains of Colorado to go inside the most massive species on our planet, and learn what unique and special evolutionary adaptations let them get so big.
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14:51
Seedless fruits are delicious, convenient… and completely unnatural.

21:13
What does randomness really mean? And why your digital life depend on it?

16:20
Why do we have different blood types? And why do we have blood at all?

16:18
How did dinosaurs become birds—and what good is half a wing?

16:00
Just how big would a telescope need to be to actually see an alien world in detail?

26:19
Dire wolves are back—sort of.

16:53
The key enzyme behind photosynthesis isn’t actually all that great at its job.

16:40
The oldest rocks on Earth are more than just ancient—they’re time machines!

17:11
This is one of the weirdest mysteries of human evolution: Why do we have grandmas?

12:28
Why do some people taste music or hear colors? Let’s talk about synesthesia.

14:35
How a chemical in lizard spit inspired one of the most important medical advancements.

12:15
These diamond makers create one of the most amazing materials on Earth — from dead people.