Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
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There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
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When the 2013 government shutdown threatened the closing down of a national program giving medical attention and meals to children, John D. Arnold donated $10 million of his own money to keep it afloat.
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All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
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In 2002, Kenyan Maasai tribespeople donated 14 cows to the US to help with the aftermath of 9/11.
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In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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