PNAS Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

First 2026 issue @pnas.org features @khorikawa.bsky.social et al.'s work on deep marine sediment from #AmundsenSea. #Pliocene muds contain material from bedrock sources as far inland as #EllsworthWhitmore Mountains: a sign of major #WAIS retreat & #glacial- #deglacial switching ow.ly/wHeq50XTv2n