Benjamin T. Uveges3 articles listing Benjamin T. Uveges in PNAS, indexed by Paperzzz from Crossref and OSF.Chemical characterization of C 31 sterols from sponges and Neoproterozoic fossil sterane counterparts PNASFossil fuel methane emissions likely underestimated in a model based on atmospheric δ 13 C trends PNASAerobic nitrogen cycle 100 My before permanent atmospheric oxygenation PNAS