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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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Early American humans hunted car-size armadillos and used their shells for houses.
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Cats sleep for 70% of their lives.
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A dairy cow can produce more milk when listening to music.
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A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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