Coffee comes from an edible fruit. The coffee cherry is sweet and tastes like watermelon, rosewater, and hibiscus all at once.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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In Tunisia, you can book an overnight stay in Luke Skywalker’s boyhood home for only $10.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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