The Atlantic: scientists look for underground a life cradle

Prior to the beginning of the 1990th years anybody also did not suspect about that, life of inhabitants of terrestrial depths can be how active. Today scientists consider that microbes living underground, probably, helped formation of continents, allocation of oxygen and emergence of life with that look in what we know it. The magazine of "Atlantic" tells how studying of these microorganisms on our planet can promote life detection in space, for example, on Mars. They live at a depth of thousands meters from Earth surface. They eat hydrogen and emit methane...