US streams carry surprisingly extensive mixture of pollutants

Many U.S. waterways carry a variety of pollutants, but not much is known about the composition or health effects of these chemical combinations. A new in-depth study, however, is providing insight as it shows the mixtures ...

How mercury contamination affects reptiles in the Amazon basin

Mercury contamination in water and on land is of worldwide concern due to its toxic effects on ecosystems and human health. Mercury toxicity is of particular concern to reptiles because they are currently experiencing population ...

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