The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Cows can sleep standing up, but they can only dream lying down.
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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.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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