The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
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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.
22
In ancient Rome it was considered a sign of leadership to be born with a crooked nose!
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During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
19
Napoleon constructed his battle plans in a sandbox.
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A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20
India invented the Number System. Zero was invented by Aryabhatta.
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The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
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