Sony researchers have developed a refrigerator that only opens when you smile.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Leonardo da Vinci could write with one hand and draw with the other at the same time.
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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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