Cows can sleep standing up, but they can only dream lying down.
745
The oldest recorded elephant lived for 82 years.
213
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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8