70% of life on Earth consists of bacteria.
Stapedius is the smallest muscle in the human body. Its length is only 6.3 millimeters and enables the movement of the bones in the middle ear.
The term "redskins", Indians acquired, not because of the color of their skin, but because of the red color they put on their skin when they went to war.
The hippo can run faster than a man.
Flame of a match reaches 1930 degrees Celsius!
0.85 liters of blood passes through the human brain every minute.
