Preliminary study suggests mercury not a risk in dog foods

Researchers at the University of California, Davis, recently investigated levels of methylmercury in a small sampling of commercial dog foods and found good news for dog owners. Of the 24 diets tested, only three were positive ...

Mercury exposure found to alter the migration behavior of birds

Mercury pollution is a global problem caused by coal combustion, gold mining, and other human activities, and has myriad adverse impacts to biodiversity. A new study by researchers at the Great Hollow Nature Preserve & Ecological ...

Identifying factors that influence mercury levels in tuna

Most consumers' exposure to toxic methylmercury occurs when they eat fish. But research just published in the ACS journal Environmental Science & Technology could help clarify why methylmercury concentrations in tuna vary ...

Clarifying rates of methylmercury production

While volcanoes and forest fires release mercury, they are relatively small sources compared to the combustion of coal, oil, and other fuels. Mercury is toxic. Microbes turn mercury into a neurotoxin called methylmercury. ...

How we solved an Arctic mercury mystery

In the Canadian Arctic, a mystery has troubled scientists and local communities for decades: Why do marine animals in the western Arctic have higher mercury levels than those in the east?

Another problem with China's coal—mercury in rice

Mercury pollution is a problem usually associated with fish consumption. Pregnant women and children in many parts of the world are advised to eat fish low in mercury to protect against the adverse health impacts, including ...

Mercury rising—are the fish we eat toxic?

The amount of mercury extracted from the sea by industrial fishing has grown steadily since the 1950s, potentially increasing mercury exposure among the populations of several coastal and island nations to levels that are ...

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