[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/06/07/t1larg.marine.research.usf.jpg caption="Scientists discover second oil plume" width=300 height=169]
As if the pictures of birds, fish and animals killed by floating oil in the Gulf of Mexico are not disturbing enough, scientists now say they have found evidence of another danger lurking underwater.
The University of South Florida recently discovered a second oil plume in the northeastern Gulf. The first plume was found by Mississippi universities in early May.
USF has concluded microscopic oil droplets are forming deep water oil plumes. After a week-long analysis of water samples, USF scientists found more oil in deeper water.
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