In 1996, research found that having excessive body hair is linked to higher intelligence.
23
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22