There are about 255 babies born worldwide every minute.
46
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Mushrooms are more closely related to humans than they are to plants.
47
The human eye blinks an average of 4,200,000 times a year.
233