Condoms were originally made of animal intestines or linen.
347
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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