New Players in an Ancient Cycle

See allHide authors and affiliations

Science  14 Sep 2007:
Vol. 317, Issue 5844, pp. 1508-1509
DOI: 10.1126/science.1148137

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution


Isotope data from Australia provide evidence for the existence of bacteria that used elemental sulfur in metabolic processes about 3.5 billion years ago.