A government-backed Colorado State University scientist has re-engineered plants so that they can detect explosives, air pollution and toxic chemicals. Plants fixed with custom-made proteins in biologist June Medford's lab signal the presence of potentially deadly vapors by turning from green to white.
Military and Homeland Security research directors on Wednesday said they envision wide applications for the genetically modified plants positioned in buildings, war zones and cities where terrorists could set up covert bombmaking factories.
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