Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
21
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
Your ears secrete more earwax when you are afraid than when you aren't.
229
Mosquitoes don't just bite you, they also pee on you.
11
Condoms were originally made of animal intestines or linen.
347