In a year, the average human consumes so much microplastic, it's about the equivalent of the amount of plastic in a fireman's helmet.
Chucky from Child's Play is based on a real doll that is said to be cursed and cause violent mishaps.
Madame Tussaud (of wax museum fame) honed her wax-sculpting skills by casting freshly-guillotined heads of French aristocrats during the French Revolution.
On average, humans spit enough over their lifetime to fill two swimming pools.
Mosquitoes don't use one needle to suck your blood. It's actually six micro-needles.
Facebook created two AI chatbots to talk to each other, which were eventually shut down after they created a language that only they understood.
Ducklings are prone to cannibalism. Scientists don't know why some have this behavior, but tie it to boredom.
Snails have thousands of teeth.