Stressed Plants Emit Sounds That Can Be Detected More Than a Meter Away

An anonymous reader quotes a report from Phys.Org: What does a stressed plant sound like? A bit like bubble-wrap being popped. Researchers in Israel report in the journal Cell on March 30 that tomato and tobacco plants that are stressed -- from dehydration or having their stems severed -- emit sounds that are comparable in volume to normal human conversation. The frequency of these noises is too high for our ears to detect, but they can probably be heard by insects, other mammals, and possibly o