Sharks have been on the planet longer than trees.
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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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Squirrels forget where they hide about half of their nuts.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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A scorpion can hold its breath for up to 6 days.
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Cats sleep for 70% of their lives.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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