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Sep 18, 2003

"Holy Mother Earth, the trees and all nature, are witnesses of your thoughts and deeds." --Winnebago Saying

Leaf me alone! When plants get eaten, they send out distress signals to recruit predators to eat their assailants. Plants enlist bodyguards from higher up the food chain to kill the things that eat them. Scientists are now looking at ways to harness these chemical messages and offer fresh routes to crop protection.