In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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In 2012, redditor laporkenstein forged his own wedding ring out of a Gibeon meteorite.
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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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