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Submitted by Eadamec on Thu, 03/29/2018 - 10:43am
Even our air is getting cleaner. In the United States, for example, aggregate emissions of six common pollutants (i.e., carbon monoxide, lead, nitrogen dioxide, ozone, fine & coarse particulate matter, and sulfur dioxide) fell by 67% between 1980 and 2016.

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Submitted by Eadamec on Thu, 03/29/2018 - 10:33am
Before the Enlightenment, Europeans drank alcohol throughout the day. Then, through trade with the Arab world, a transformation occurred: coffee, rich with caffeine, a stimulant, swept across the continent and replaced alcohol, a depressant.

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