There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Sharks, like other fish, have their reproductive organs in their chests.
248