Our brains have a negativity bias and will remember bad memories more than good ones.
15
Gorillas can catch human colds and other illnesses.
205
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Early American humans hunted car-size armadillos and used their shells for houses.
12
It takes approximately 12 hours for food to entirely digest.
93
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your heart will pump about 212 million liters in its lifetime.
26
If the human eye was a digital camera, it would have 576 megapixels.
25