Why does sleep build up in our eyes overnight?
How old instruments are getting a new voice
With 1.6 million new cases of type two diabetes each year, how much coffee should we really be drinking?
How hard is a game of Pac-Man?
Our favorites of the week
Is politicians’ least favorite meal school children’s most important?
The chemistry of a glow stick
Skin color, it turns out, is little more than adaptation in action
Our favorites from the week
A Manhattan vet cultivates a refuge for pets and pet-lovers
Researchers and growers are trying new tactics in the escalating fight against fungi
Prions, a type of misled protein, are not too dissimilar from double agents
How their life cycle messes with your food
What science has to say about why we “haha”