Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Cows can sleep standing up, but they can only dream lying down.
745
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Cats recognise the voice of their owner, but never evolved to care.
22
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A domestic cat can sprint at about 31 miles per hour.
274