Researchers document particle size of household dust found on children's hands after play
Billowing clouds of the stuff struck a severe blow to the American heartland during the 1930s, ruining wheat crops and ...
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Phoenix has seen some of the biggest increases in spring temperatures in the U.S.
Kavya Beheraj/Axios Spring is getting warmer overall with unusually hot days in most U.S. cities, and especially Phoenix. Why it matters: Warmer springs can cause early snowmelt, which can imperil ...