It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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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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An African Baobab tree in South Africa, known as Big Baobab, has a circumference of 154 feet and even has a bar inside the trunk that can fit 60 people.
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In 2013, the Netherlands scheduled 19 prisons to be closed due to a lack of criminals.
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