Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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Ernest Vincent Wright wrote a 50,000 word book titled 'Gadsby' which did not use the letter "e".
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Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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