Up Next
Back to Show
Reactions
Hydrangeas and the Science of Do-Overs
Season 5
Episode 24
We tried to use chemistry to change hydrangea flowers from red to blue. It didn’t work the first time, so we tried again. Science: It’s all about the do-over. Because experiments aren’t just for fun -- the whole point is to learn something about the world around us!
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
14:04
George tests a revolutionary new way to stick stuff together.
12:02
Sometimes the difference between life-saving drug and deadly side effect is chirality.
17:23
What happens when you eat morel mushrooms.
10:31
WARNING: this video contains incredible macro footage of supercooled water droplets nucleating ice.
13:12
Let’s dive into the science behind ocean alkalinization!
16:56
Discover why curdled milk is the key to the best cocktail you’ll ever taste.
10:13
Scientists are finding the building blocks of carbon ring structures… out in space!
12:00
George becomes a pyromaniac to figure out if ammonia is the fuel of the future.
13:06
Why Alex is terrified of antibiotic resistance, and what chemists are doing about it
9:01
Are liquid, virtually fireproof, recyclable batteries the future of grid-scale storage?
11:39
Join George as he hunts for an antidote to deadly mushrooms.
12:15
George tests a newly discovered technique that could solve a recycling problem.