Microbe fixes nitrogen at a blistering 92 C

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An approximately 2-foot-tall chimney on Axial Volcano vents hot hydrothermal fluids like the ones collected by University of Washington researchers in the search of archaea capable of fixing nitrogen at high temperatures. Credit: Courtesy of the NOAA ...
An approximately 2-foot-tall chimney on Axial Volcano vents hot hydrothermal fluids like the ones collected by University of Washington researchers in the search of archaea capable of fixing nitrogen at high temperatures. Credit: Courtesy of the NOAA Vents Program

A heat-loving archaeon capable of fixing nitrogen at a surprisingly hot 92 degrees Celsius, or 198 Fahrenheit, may represent Earth’s earliest lineages of organisms capable of nitrogen fixation, perhaps even preceding the kinds of bacteria today's plants and animals rely on to fix nitrogen.


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