Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
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There's a rare breed of pig that looks like a sheep.
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Scientists have developed a 'hangover-free' beer that has electrolytes, making it more hydrating and refreshing.
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Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
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The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
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