Moon dust kills human cells and alters DNA. Free Technical Library News

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Moon dust kills human cells and alters DNA

15.05.2018

Engineers from Stony Brook University School of Medicine conducted an experiment involving lunar dust. It turns out that it is much more dangerous for people than previously thought. Moon dust not only destroys cells in the human body, but can also cause damage to the genome. Undoubtedly, this is a huge problem, because the moon dust will be very difficult to deal with. The dust is very fine and is electrified by high-energy particles received from the Sun.

Scientists have prepared an experiment in which researchers have the effect of artificially prepared lunar dust on living cells of mice and humans. The dust damaged cells in the long run, and even changed their DNA.

True, studies were carried out on an artificial dust moon, but the experiment confirms previous discoveries. Scientists are already planning to conduct additional experiments on the real dust moon to dispel all doubts.

Unfortunately, it is not known exactly why moon dust has such a negative effect on cells and DNA. Probably because of the size and shape, which allows it to easily enter the lungs and then into the bloodstream.

NASA and the world's other space agencies should already be starting to develop the necessary technologies to better clean space suits and equipment if humanity really wants to colonize the moon.

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The Antarctic crocodile ice whitefish (Chaenocephalus aceratus) lives in the coldest marine environment on earth. It survives in extremely cold temperatures, beyond the freezing point of freshwater.

How she succeeds, geneticists from the University of Oregon tried to find out, who completely described the genome of the ice whitefish (about 30 thousand genes). The whiteblood family is the only vertebrate lacking functional hemoglobin genes: their bodies do not produce oxygen-carrying red blood cells. Whiteblood blood is ghostly white. In addition, the heart of the crocodile whiteblood is larger than normal, and the bones have a very low mineral density.

According to the study, the suborder of icefish diverged from the ancestors of the nototheniids 77 million years ago. At the same time, icefish lost not only proteins capable of binding oxygen, but also a set of genes that regulate circadian rhythms. They are accustomed to an environment where night and day last for six months.

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