In one day, adult lungs move about 10,000 litres of air.
11
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The world's shortest man measures only 21.5 inches.
73
You can't tickle yourself.
29
Pain occurs when sounds are above 130 db.
124
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73