Sharks have been on the planet longer than trees.
14
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
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
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Cows can sleep standing up, but they can only dream lying down.
745