Our eyes are always the same size from birth, but our nose and ears never stop growing
Perfume is frequently made from - among other things- a slippery, musky substance called Ambergris which is vomited up by certain species of whales from time to time
Your stomach has to produce a new layer of mucus every two weeks or it will digest itself
Humans are the only animals to sleep on their backs
Intelligent people have more zinc and copper in their hair
Every person has a unique thermal face print
Hummingbirds are the only animal that can fly backwards
The Panda bear is expected to become extinct by about 2040, barring a drastic change of events
The female angler-fish weights up to half a ton. The male, however, is only a few millimeters long, and spends his whole life attached to her nose
Did you know that a giraffe can kill a lion with one kick
The only 15 letter word that can be spelled without repeating a letter is uncopyrightable
The word ""listen"" contains the same letters as the word ""silent""
Astronauts are not allowed to eat beans before they go into space because passing wind in a spacesuit damages them.
A sea urchin walks on the tips of its teeth
The only 2 animals that can see behind itself without turning it's head are the rabbit and the parrot