The human eye blinks an average of 4,200,000 times a year.
233
The human sigh acts as a physiological reset button.
23
Obsessive nose picking is called Rhinotillexomania.
101
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Tigers can see 6 times better at night than humans.
305
A man's beard grows fastest when he anticipates sex.
239
