Dirty air correlates with lower grades in Texas schoolchildren. Read: http://www.scientificamerican.com/article/dirty-air-correlates-with-lower-grades-in-texas-schoolchildren/ … by @BrianBienkowski
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Dirty air correlates with lower grades in Texas schoolchildren. Read: http://www.scientificamerican.com/article/dirty-air-correlates-with-lower-grades-in-texas-schoolchildren/ … by @BrianBienkowski