Researchers with NOAA are wrapping up a two-year study of dolphins in the Mississippi Sound. They’re looking for any health problems that may be linked to the BP oil spill. During a boat trip on Wednesday, the first dolphin is spotted in the East Pascagoula River. Photographs of the dorsal fin give scientists a “fingerprint”. …

Researchers say they have found traces of pollutants from the BP oil rig disaster in the Gulf of Mexico two years ago in the eggs of Minnesota birds. In examining pelican eggs in the largest lakeside colony of American white pelicans in North America, scientists have discovered traces of petroleum compounds as well as remnants …