The average office desk has 400 times more bacteria than a toilet.
22
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
A person can live without food for about a month, but only about a week without water.
156
In one day, adult lungs move about 10,000 litres of air.
11
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Flu shots only work about 70% of the time.
18
The tongue is the strongest muscle in the human body.
50
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25