Condoms were originally made of animal intestines or linen.
347
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Cockroaches can live for 9 days after their head has been cut off.
140