(Derek Ramsey/Wikipedia) Tobacco plants in a Pennsylvania field. (This image is used under the terms of the GNU Free Documentation License.)
Tobacco Plants Suck Up Pond Scum
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MARCH 10, 2010
Emily Sohn, Discovery News

In a British laboratory, tobacco has done some good. With the help of a couple extra genes, it has proven itself capable of disarming a dangerous environmental toxin, called toxic pond scum.
Read the story: www.msnbc.msn.com/id/35779904