The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A lion in the wild usually makes no more than twenty kills a year.
186
Early American humans hunted car-size armadillos and used their shells for houses.
12
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11