News tagged with states

Researchers find homelessness is declining

Homelessness across the United States continues to decline, according to a new report to Congress co-authored by researchers from the University of Pennsylvania School of Social Policy & Practice.

16 hours ago
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Researchers track ammonium source in open ocean

To understand the extent to which human activities are polluting Earth's atmosphere and oceans, it's important to distinguish human-made pollutants from compounds that occur naturally. A recent study co-authored ...

Oct 29, 2014
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