Study of the Week:

FrogsA new study in the journal Oecologia indicates that when pesticides mix in the environment, they form “chemical cocktails” that are more toxic than previously estimated. Researchers at the University of Pittsburgh discovered that when 10 of the world’s most commonly used pesticides combine, as they regularly do in the environment, the chemicals caused an astounding 99 percent mortality in leopard frogs. According to the study abstract, “Wetland communities can be dramatically impacted by low concentrations of pesticides (both separate and combined) and these results offer important insights for the conservation of wetland communities.”
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