On average a woman has 4 sexual partners in her lifetime.
-143
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Tigers can see 6 times better at night than humans.
305
Early American humans hunted car-size armadillos and used their shells for houses.
12
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Pain occurs when sounds are above 130 db.
124
Yawns are more contagious among people with closer relationships.
163