Condoms were originally made of animal intestines or linen.
347
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
Denmark has twice as many pigs as there are people.
66
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
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
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16