Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
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Scientists say that a 'zombie apocalypse' is actually possible based on the recent discovery of certain brain parasites. But as of now, these parasites only affect bugs.
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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 highest speed ever achieved on a bicycle was 167.04 mph by Fred Rompelberg in 1995.
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