Mosquitoes don't just bite you, they also pee on you.
11
Cockroaches can live for 9 days after their head has been cut off.
140
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13