Boy or Girl? Toxins in Your Air and Water may Decide

According to new scientific study results, changes in the human sex ratio at birth—defined as the percentage of newborns that are boys—are associated with the presence of toxic levels of air and water pollutants.

Mercury Pollution Uncovered in US National Parks

In a new scientific study spearheaded by a citizen science program, dragonflies revealed mercury pollution levels across US national parks.  The local research project has spurred the first nationwide survey of the toxic metal.  Given that the parks studied stretch across the entire U.S., including Alaska and Hawaii, the findings reflect levels of mercury throughout the country.