Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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The oldest recorded elephant lived for 82 years.
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When cats are happy, they may squeeze their eyes shut.
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Lurch, a Watusi bull, had the largest horns in the world.
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Parrot parents "name" their children with a signature call.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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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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