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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The reindeer is the only mammal that can see UV light.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Drivers kill more deer than hunters do.
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In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
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