Could Life Travel Between Planets?
Microbiologists have spent decades studying extremophiles, organisms that endure extreme conditions, to tug at the mysterious threads of how life blossomed on Earth. https://t.co/NHqzQXUhr9
— Smithsonian Magazine (@SmithsonianMag) August 26, 2020
Health Editor’s Note: A bacterium, Deinococcus radiodurans, can survive three years and perhaps more in space. Before choosing this particular bacterium for the experiment, the bacterium was hit with types of assaults that it would experience while in space. These included high levels of radiation, vaccum-like pressures, wide disparity in temperatures, which would all be stressors. Bacterium DNA survived inside the clump of bacteria because the outer layers protected them from the space stresses.
The space tested bacterium acted just like one of the oldest life forms on earth, cyanobacteria, which organizes layers so dead cells on the ouside sheild the ones on the inside so they can survive/endure the intense solar radiation by organizing in layers where cells die on the outside and protect those who survive inside.
If science could duplicate the radiodurans’ ability to make more copies of proteins that fix radiation damaged DNA. I think this would go a long way towards perhaps decreasing ageing or at least damage due to radiation exposure, which the sun is responsible for. For sure we will have to be careful with interplanetary contacts because apparently some bacterium and or beings can survive ‘where no man has gone before’…..Carol
She has traveled extensively, is a photographer, and writes on medical issues. Carol has three children RJ, Katherine, and Stephen – two daughters-in-law; Suzy and Katie – two granddaughters; Isabella Marianna and Zoe Olivia – and one grandson, Alexander Paul. She also shares her life with husband Gordon Duff, many cats, and two rescue pups.
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