There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Apple seeds are poisonous!
27
When cats are happy, they may squeeze their eyes shut.
10
A cow gives nearly 200,000 glasses of milk in her lifetime.
33
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The United States has never lost a war when donkeys were used.
139
Chained dogs are 3 times more likely to bite than unchained dogs.
34
7,000 new insect species are discovered every year.
30