A man called Dean Karnazes ran 350 miles in 80 hours with no sleep, ran a marathon in the South Pole in -25 °C temperatures without snowshoes, and ran 50 marathons in 50 states in 50 days.
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The world's tallest snowman was created in Bethel, Maine in 2008. It measured in at 122 feet / 1 inch and weighed 13,000,000 lbs.
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Scientists lit a cave of natural gas on fire in 1971 expecting it to only burn for a few days; it still burns to this day. It has been nicknamed "The Door to Hell".
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According to official documents, Luo Meizhen was born in 1885, which would make her 127 years old when she died in 2013 and the oldest person ever to have lived.
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There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
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