Posted January 31, 2011 - 11:36 am
In the future, even the trees will be keeping tabs on us. Seven years of government-funded research to develop alternate avenues of national defense have finally borne fruit in the form of "plant sentinels," color-changing, chemical-sniffing shrubbery created by Colorado State University biologist June Medford and her crack team of chemical researchers. According to a recent article in the Denver Post, the CSU team has modified common plants to change color in the presence of potentially hazardous chemicals like drugs, pollutants or even explosives.