Do plants scream when distressed? Do plants scream when you cut them? The thought of a plant that screams is distressing for gardeners, but new research hints that it might be a real phenomenon. A recently published study found that a screaming plant isn’t exactly a thing, but that plants under stress do make specific noises undetectable in normal human hearing. Distressed Plants Emit Sounds Researchers from Tel Aviv University recorded sounds made by plants under stress. They recently published their findings in the journal Cell. They discovered distinct noises made by tomato and tobacco plants stressed by dehydration and when their stems were cut. They used ultrasonic microphones placed near plants to record the sounds. Previous studies used detectors directly attached to plants and noted vibrations. For the current study, researchers wanted to see if sounds could be heard at a small distance from the plants. Although the frequency […]
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