How do Plants Talk to Each Other?

Research shows that plants communicate and interact with each other in surprisingly subtle and sophisticated ways. A In 1983, plant scientists Jack Schultz and Ian Baldwin reported that healthy young maple trees increased their defense systems when exposed to maples that had been damaged by plant-eating (herbivorous) insects. The injured trees, they suggested, were alerting neighbors to the presence of a predator by releasing chemical signals into the air. But the plant research commun...