A man's beard grows fastest when he anticipates sex.
239
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
There are about 255 babies born worldwide every minute.
46
Poor eyesight (myopia) is associated with higher IQ.
232
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
A human being loses an average of 40 to 100 strands of hair a day.
133