Brandon McDonald

I was in the field when this paper was published. Just came around to reading it in detail. LOADS of issues on both the historical and genetic fronts, enough to question their conclusions; though for the latter I'm no geneticist and thus await confirmation from the aDNA community.

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...

Link to the study: www.pnas.org/doi/abs/10.1...

Lead Poisoning May Have Made Ancient Romans a Bit Less Intelligent Exposure to lead from mining probably lowered I.Q. levels in the empire, research has found. It might be the world’s first case of widespread industrial pollution.

New study out in PNAS from our ice core group. Getting good press

www.nytimes.com/2025/01/06/c...