A scientist at Colorado State University has developed a way to make everyday plants one of the first lines of defense in the war on terror. Lab work currently underway makes green plants turn white if they detect explosive, biological or chemical weapons in their environment. Imagine someone walking by these plants in an airport with hidden explosives -- and the plants changing color to alert security.



But don't get too curious about the science behind it all. Speaking with Fox News, there were numerous times Medford was unable to answer a question, for security purposes. The delicate nature of national security, she explains, means keeping some of this stuff secret.