It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Obsessive nose picking is called Rhinotillexomania.
101
In one day, adult lungs move about 10,000 litres of air.
11
The human sigh acts as a physiological reset button.
23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Babies crawl an average of 200m a day.
212
One human hair can support 3 ounces.
191