Condoms were originally made of animal intestines or linen.
347
Your ears secrete more earwax when you are afraid than when you aren't.
229
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Cockroaches can live for 9 days after their head has been cut off.
140
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
6
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218