According to a study on tobacco and tomato plants by Tel-Aviv University, researchers found.

Apr 08, Like any living thing, plants want to remain alive, and research shows that when certain plants are cut, they emit a noise that can be interpreted as a scream. But before you feel guilty for all. Researchers find an ultrasonic 'scream' is emitted when stems are cut or if species are not watered enough.

A team of scientists at Tel Aviv University have discovered that some plants emit a high frequency distress sound when they undergo environmental stress. Researchers find an ultrasonic 'scream' is emitted when stems are cut or if species are not watered enough. A team of scientists at Tel Aviv University have discovered that some plants emit a high frequency distress sound when they undergo environmental stress.

views. Dec 05, On average, drought-stressed tomato plants made 35 sounds an hour, while tobacco plants made When plant stems were cut, tomato plants made an average of 25 sounds in the following hour, and.