Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Your body is creating and killing about 2.4 million red blood cells per second.
17
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
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
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