The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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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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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A 42-foot sperm whale has about 7 tons of oil in it.
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