A Dartmouth researcher is part of the team that has identified five known and nine suspected biological mercury hotspots in northeastern North America, and the researchers suggest that coal-fired power plants in the U.S. are major contributors. The team reports their findings in two studies published in the January issue of the journal BioScience.<br><br><a href='http://www.dartmouth.edu/~news/releases/2007/01/09.html' target='_blank'>http://www.dartmouth.edu/~news/releases/2007/01/09.html</a><br><br>