Cats and dogs can hear ultrasound.
350
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
When cats are happy, they may squeeze their eyes shut.
10
Dogs have been man's pet for over 14,000 years.
224
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14