When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Cats sleep for 70% of their lives.
8
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The Basenji dog is the only dog that is not able to bark.
4
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13