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10 08, 2017

History of tobacco – Tobacco as medicine and money

By |2018-05-30T19:19:04-07:00August 10th, 2017|Economy, North America|0 Comments

History of tobacco: Tobacco plants growing Early history of tobacco Tobacco is an American plant. Like other flowering plants, it probably evolved during the Triassic era, about 250 million years [...]

7 08, 2017

Enlightenment Science in Europe

By |2019-05-29T07:46:59-07:00August 7th, 2017|Math, Modern Europe, Physics, Science|0 Comments

Gottfried Leibniz, a German mathematician - Enlightenment science What set off the Enlightenment? By 1650 AD, Europeans understood Islamic algebra and trigonometry better. Then they combined that with the exciting invention of the telescope and microscope (thanks to [...]

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