It takes approximately 12 hours for food to entirely digest.
93
Tigers can see 6 times better at night than humans.
305
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Poor eyesight (myopia) is associated with higher IQ.
232
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
By weight, Bone is five times stronger than steel.
417