Microbial organisms dominate life on Earth, but tracing their early history and evolution is difficult because they rarely ...

As oxygen levels rise, the oxygen-labile [4Fe-4S] 2+ cluster is oxidized and converted to a [2Fe-2S] 2+ cluster. FNR cluster conversion is sensitive and rapid, occurring on a scale of minutes ...

Researchers have used machine learning, genomic data, fossils and the Earth’s geochemical history to create a timeline of ...