Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The elephant brain weighs about 6,000g.
274
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A scorpion can hold its breath for up to 6 days.
19
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Cats sleep for 70% of their lives.
8