BBC Science Focus Magazine

IS THERE ANYWHERE ON EARTH LIFE DOESN’T EXIST?

“Life finds a way,” said Dr Ian Malcolm, Jeff Goldblum’s character in the original movie. The statement is true, not only for the chaotic events that unfold in the film, but also for occurrences away from the silver screen, in the real world. Life seems to be capable of establishing a presence in every corner of the planet, no matter how hostile the conditions appear to be. Whether the immediate environment is blisteringly hot or bitingly cold, corrosively acidic, crushingly high pressure or radioactive, life adapts to tolerate it. Provided there’s liquid water, however little of it there may be, life springs up. That life comes in many varieties of microorganism, but if it can tolerate these sorts of extreme conditions it’s classed as an extremophile. On Earth, extremophiles have been found in all of the following environments…

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