Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When dragonflies mate, their tails form a love heart.
22
Cats sleep for 70% of their lives.
8
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11