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Some microbes used poison gas in battle for iron in the Earth's early oceans, geomicrobiologists find
In other words, these microbes killed the phototrophic iron oxidizers by producing a poisonous gas." "One hypothesis is that the phototrophic iron oxidizers probably contributed very little to the ...
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Goodbye, old fridges! A new cooling technology could save energy and help the planet
For decades, refrigerators have used the same basic cooling technology, but scientists are working on a new method that could ...