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Massive amounts of dust (~1 Billion Ton) are blown from the Sahara into and over the Atlantic Ocean every year. This dust strongly alters the atmosphere through blocking incoming solar radiation [cooling the atmosphere] and trapping outgoing heat that was reflected at the earth’s surface [warming the atmosphere]. In addition, aerosols carry huge amounts of metals and nutrients that can boost marin ...

Although it is well known that microbial cells can exhibit sophisticated cooperative behaviour, none of the recent advancements in geomicrobiology has been so perplexing as the proposal that microbial populations are capable of fast, electrical communication over centimetre scale distances. This metabolic tour-de-force was recently documented from laboratory incubations with marine sediments. Clea ...