Trace Amounts of Crude Oil from Gulf Spill Harm Fish

By Melissa Gaskill of Nature magazine Heart-breaking pictures of seabirds covered in black crude oil, arresting as they are, can miss the hidden story of an oil spill's impact on wildlife. Exposure to even tiny concentrations of the chemicals present in oil can also cause harmful biological effects that usually go unnoticed, according to a study published today in Proceedings of the National Academy of Sciences .

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Trace Amounts of Crude Oil from Gulf Spill Harm Fish