Cats can be lethal hunters and very sneaky, when they walk their back paws step almost exactly in the same place as the front paws did beforehand, this keeps noise to a minimum and limits visible tracks.

The hump of a camel can weigh up to 35 kilograms.

The spray WD-40 got its name because there were forty attempts needed before the creation of the "water displacing" substance.

AMAZING FACTS