Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A lion in the wild usually makes no more than twenty kills a year.
186
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Penguins have a gland above their eye that turns saltwater into freshwater.
12