The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
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
Condoms were originally made of animal intestines or linen.
347