The Basenji dog is the only dog that is not able to bark.
4
Dogs have been man's pet for over 14,000 years.
224
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sharks, like other fish, have their reproductive organs in their chests.
248
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79