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 thumb is about the same size as your nose.
124
The human sigh acts as a physiological reset button.
23
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Babies crawl an average of 200m a day.
212
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22