It's one of life's most head-scratchy questions, and one of the most popular chemistry mysteries for youtubers. So let's get to the bottom of this crazy, shape-shifting substance, and finally find out why cornstarch and water do that thing!
Yesterday
Can water air-condition your house?
What exactly is a swamp cooler, and why can it beat the heat in Arizona but leave you sweaty and betrayed in Houston? How can an air conditioner run on water, what does humidity have to do with its effectiveness, and could an icy new invention help prevent overloaded power grids? ... Show More
31m 44s
Aug 20
What’s the dark side of air conditioning?
Could a cheaper, more environmentally friendly refrigerant already exist, and could corporate lobbying be helping keep it out of American air conditioners? Why did the chemicals once hailed as safe alternatives become environmental villains, and are their replacements actually mu ... Show More
53m 21s
Apr 2024
What would happen if it rained oobleck?
Oobleck is a mix of cornstarch and water that can act like a solid or a liquid. On its own, it’s gloopy and squishy, but if you squeeze it, it turns into a solid ball in your hand! So what would happen if oobleck fell from the sky like rain? We asked meteorologist Ginger Zee to h ... Show More
6m 29s