Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Cats and dogs can hear ultrasound.
350
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cats recognise the voice of their owner, but never evolved to care.
22
There's a rare breed of pig that looks like a sheep.
14