Can Rain Spread Diseases? Amazing Video Shows How Raindrops Propel Bacteria Flying Through Air stat : Tech Times

How Can Rain Spread Bacteria? Why Should You Care About Rain Spreading Bacteria? A new study proves that this notion is not entirely true as rain can spread bacteria. Raindrops spreading bacteria play a vital role in human health, agriculture, and climate change, according to the study published in the journal Nature Communications. Better yet, watch this video of raindrops spreading soil bacteria far and wide:"Imagine you had a plant infected with a pathogen in a certain area, and that pathogen spread to the local soil.




The three kinds of soil bacteria involved in this study — Corynebacterium glutamicum, Pseudomonas syringae, Bacillus subtilis — are harmless. As the bubbles burst, they send a spray of tiny water jets into the air, sometimes carrying bacteria with them. When a raindrop hits the ground at the right speed, it traps air bubbles beneath it, each one no wider than a human hair. The soaring microbes can survive inside a tiny water droplet for at least an hour. It has to do with tiny bubbles.


To observe the effect of raindrops on soil filled with bacteria, researchers from the Massachusetts Institute of Technology used high-resolution cameras and provided a new insight into the process. When raindrops hit the ground, microbes living in the soil could be splashed into the air and carried through the wind. So, it turns out if the soil is contaminated with bacteria and it rains, aerosols could launch bacteria off the ground. High resolution images show that raindrops can act as a dispersing agent, causing to send bacteria long distances. Each aerosol can carry up to several thousand bacteria from the soil and that bacteria can remain alive for more than an hour afterward.


collected by :Lucy William

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