If planet Earth, on a macro level, really is a being called Gaia that is functionally alive, then I hope I’m not standing on an uncomfortable spot. Via Junk Science:
Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery may provide a key to answering this question. This key of sulfur could allow scientists to unlock heretofore hidden interactions between ocean organisms, atmosphere, and land — interactions that might provide evidence supporting this famous theory.