Your ears secrete more earwax when you are afraid than when you aren't.
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If you see an ingredients list that includes carmine, cochineal extract or natural red 4, the product contains crushed up bugs.
8
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
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Within three days of death, the enzymes that once digested your food begin to eat you.
22