According to a study on tobacco and tomato plants by Tel-Aviv University, researchers found that when stressed, certain plants produce an ultrasonic sound that is undetectable to the human ear. Keep in mind that being stressed can be caused by drought, insects, and yes, by being cut. 8 апр. 2021 г.
Why do vegetables scream?
A new study suggests that plants that are stressed by drought or physical damage may emit ultrasonic squeals. In times of intense stress, people sometimes let out their angst with a squeal — and a new study suggests that plants might do the same.
Does plants feel pain while cutting?
No, plants cannot feel pain. There is no possible way for that to happen without a central nervous system.
Does lettuce scream when you cut it?
But before you feel guilty for all the leafy greens you've cut over the years, it's important to note that as humans, we process pain because we have a nervous system — plants do not. Because of this, we can't say a plant's "scream" is due to suffering, but is rather a form of communication for survival.
Do vegetables make sounds?
But this new study is the first time that sounds from plants have been measured at a distance. On average, drought-stressed tomato plants made 35 sounds an hour, while tobacco plants made 11. When plant stems were cut, tomato plants made an average of 25 sounds in the following hour, and tobacco plants 15.
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