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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After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
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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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Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
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A teen in Michigan built a working nuclear reactor. He taught himself how to build it as a weekend hobby project in his basement from ages 15-17 for $3500.
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