Dogs have been man's pet for over 14,000 years.
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The Basenji dog is the only dog that is not able to bark.
4
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
The cat brain weighs about 30g.
167
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57