Human hair and fingernails continue to grow after death.
7
A human being loses an average of 40 to 100 strands of hair a day.
133
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
A man's beard grows fastest when he anticipates sex.
239
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Tigers can see 6 times better at night than humans.
305