Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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As of 2011, gamers have collectively spent over 6 million years playing World of Warcraft. That's almost as long as the existence of the human species!
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In 1799, a boy found a 17lb. rock in a creek in North Carolina and used it as a doorstop. It was actually gold.
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A scorpion can hold its breath for up to 6 days.
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McDonald's serves 75 hamburgers every second, according to the company’s Operations and Training Manual.
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