After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Babies crawl an average of 200m a day.
212
A man's beard grows fastest when he anticipates sex.
239
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Tigers can see 6 times better at night than humans.
305
It takes about 20 seconds for a red blood cell to circle the whole body.
102
All 13 minerals necessary for human life can be found in alcohol beverages.
282