The head of a jellyfish is called the "Bell."
6
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Gorillas can catch human colds and other illnesses.
205
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212