When cats are happy, they may squeeze their eyes shut.
10
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cats and dogs can hear ultrasound.
350
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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