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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A domestic cat can sprint at about 31 miles per hour.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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The oldest recorded elephant lived for 82 years.
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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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