It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Gorillas can catch human colds and other illnesses.
205
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12