Early American humans hunted car-size armadillos and used their shells for houses.
12
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Human hair and fingernails continue to grow after death.
7
Only humans shed emotional tears.
331
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93