Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
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
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7