Why Is Blue So Rare In Nature?
15:02
The Strange Science of Why We Dream
16:48
Iridescence: Nature's Most Beautiful Physics Trick
33:45
Why It Was Almost Impossible to Make the Blue LED
8:59
The Rarest Eye Colors in the World - Eye Colors Explained
27:11
You're Probably Wrong About Rainbows
6:40
Why The Ancient Greeks Couldn't See Blue
12:35
Did The Future Already Happen? - The Paradox of Time
23:47