Strange Bacteria That Survive Only on Air May Be More Prevalent Than We Realised – ScienceAlert

While bacteria are often associated with icky germs, they really are so much more than that. They help us digest things, feed trees nitrogen, play a huge role in cycling Earth’s nutrients, and survive staggering extremes. Recently, we discovered some of these incredibly tough and tiny packages of life can even live off air alone.
A few years back, scientists discovered bacteria in Antarctic soils that not only breathe air, but eat it too. Now, a new study shows these microbes could be present e…

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