Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Poor eyesight (myopia) is associated with higher IQ.
232
In one day, adult lungs move about 10,000 litres of air.
11
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Our Right Lungs takes more air than our left lung.
194
Early American humans hunted car-size armadillos and used their shells for houses.
12
Your heart will pump about 212 million liters in its lifetime.
26