Nachos were actually invented by a guy named Nacho. Happy Nacho Day!
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The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
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You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
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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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Brass doorknobs automatically disinfect themselves in about 8 hours.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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