New research brings heavy metal bioremediation closer ?
 

Thought the following item might be of interest to the list ...

Toxin-munching plants a step closer

Designer plants that suck out heavy metals from contaminated soil,
conveniently ferrying them to the surface for recovery, have moved a
step closer after a discovery by U.S. researchers.

http://www.abc.net.au/science/news/stories/s921973.htm