Fingernails grow fastest on the hand you favor.
44
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
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
On average, there's 100 billion neurons in the human brain.
83
Taphephobia is the fear of being buried alive!
44
In one day, adult lungs move about 10,000 litres of air.
11
Your tongue is the only muscle in your body that is attached at only one end.
173