New study finds plants 'scream' when stressed or injured, raising questions about communication

(The Hill) -- Tomato and tobacco plants make distinctive sounds when cut or dehydrated, a new study has found.Those sounds change depending on the plant emitting them and the type and severity of the threat that prompts them, according to the study in Cell.The findings shatter the common perception of plants as silent, passive background players to the animal life in their environments.Instead, they show those plants could send out signals that a