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Plant Sentinels

It sounds like something from a science fiction movie: plants that give off a warning glow during a terrorist attack. But researchers are working to develop plants that do exactly that. NPR's Ketzel Levine reports on the latest advances in making "smart plants" to be used as warning devices during a biochemical attack.

Copyright 2003 NPR

Ketzel Levine
NPR Senior Correspondent Ketzel Levine reports for Morning Edition.