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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In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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While pumpkins are typically orange, they can also be green, white, red, gray, and even blue.
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In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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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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