Science
Hot Water Freezes Faster
The Mpemba effect shows that hot water can freeze faster than cold water under certain conditions. Scientists still debate the exact mechanism behind it.
Science
Honey Never Spoils
Archaeologists found 3,000-year-old honey in Egyptian tombs that was still edible. Honey's low moisture and acidic pH make it inhospitable to bacteria.
Science
Octopuses Have Three Hearts
An octopus has three hearts: two pump blood to the gills, while the third pumps it to the body. When swimming, the body-heart stops — which is why octopuses prefer crawling.
Keep exploring!
Sign in to unlock unlimited facts, like, save, and submit your own.