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الخميس، 25 يونيو 2015

A Scientist Explains Why We Should Stop Being Afraid of Chemicals

I really enjoy my job. I get to wallow in the fascinating world of research science and then pass on my passions to eager young minds. And I pull out all the stops—liquid nitrogen gets sloshed around in abundance, hydrogen balloons are ignited like mini Hindenburgs, and ethanol-fueled rockets zip around the playgrounds. Chemistry is […]

from Reader's Digest http://ift.tt/1SNA6tS

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