Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
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
Cats recognise the voice of their owner, but never evolved to care.
22
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Tigers can see 6 times better at night than humans.
305
Mosquitoes don't just bite you, they also pee on you.
11