By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Cats and dogs can hear ultrasound.
350
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Condoms were originally made of animal intestines or linen.
347