If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Every human spent about half an hour as a single cell.
144
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Obsessive nose picking is called Rhinotillexomania.
101
Mushrooms are more closely related to humans than they are to plants.
47
Enamel is hardest substance in the human body.
61
In one day, adult lungs move about 10,000 litres of air.
11
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24