Up Next
Back to Show
It's Okay to Be Smart
What Is Fire?
Season 3
Episode 39
Why does fire burn? What's the chemistry and physics of a flame? This week, learn about the beautiful science happening inside a flame!
Support Provided By
Season
12:15
These diamond makers create one of the most amazing materials on Earth — from dead people.
11:20
Learn nature’s ultimate game of hide-and-seek, and the way to win this game is all in the brain.
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.