Up Next
Back to Show
It's Okay to Be Smart
Why Does February only have 28 days?
Season 3
Episode 18
Why does February only get 28 days when all the other months get 30 or 31? The answer is part superstition, part politics, and parts astronomy. Basically, it’s the Romans’ fault.
Support Provided By
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.