Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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In Australia, there are spiders big enough to eat snakes.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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