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 ...

Image: Spring color in the North Sea

The increasing sunlight and warmth of springtime provoke buds and blooms amidst the trees, flowers, and grasses on land. Warm air and sunlight also beget warmer ocean waters and provoke blooms of the "grass of the sea"—phytoplankton. ...

Triplefin fish found to have controlled iris radiance

A team of researchers with the University of Tübingen in Germany has found an example of a fish that is able to control light reflected from organs next to its pupils—a form of photolocation. In their paper published in ...

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