Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When cats are happy, they may squeeze their eyes shut.
10
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