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Plants are not silent! The study reveals that they emit sounds that humans cannot hear

2023-04-02 19:15:57Kosova&Bota SHKRUAR NGA REDAKSIA VOX
Plants are not silent! The study reveals that they emit sounds that humans
Plants are not silent

Scientists discovered that plants emit sounds that cannot be heard by the human ear, and they increase these sounds when they are thirsty or under stress.

According to research published in the research journal "The Cell", botanists pointed out that contrary to what was known, plants are not "silent creatures".

"There are many organisms that respond to sound, so I thought we had no good reason to believe that plants were deaf and dumb," Professor Lilach Hadany, dean of the Faculty of Science at Tel Aviv University, told CNN.

Plants are not silent! The study reveals that they emit sounds that humans

Hadany, who first recorded the voice of a cactus six years ago using an ultrasonic microphone in her lab, said she wasn't entirely sure whether the sound she recorded came from the cactus or something else in the environment.

Recalling that it was previously known that plants create vibrations, but there is no evidence that these are converted into sound waves that travel through the air, Hadany noted that she and her team worked on a soundproof acoustic box.

Her team acoustic microphones that can perceive sounds between 20 and 250 kilohertz are placed in the boxes where they also placed the tobacco and tomato seedlings while some of the plants were cut, some were left without water and some were not touched at all.

The team then recorded inaudible human sounds of 40 to 80 kilohertz. According to them, these voices are similar to that of the bursting of a pupa.

The team also claims that plants that are under stress make more noise. 


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