Dangerous Amounts of Mercury Found in Soil of Ancient Maya
The ancient Maya in Mesoamerica had toxic levels of mercury,
which could have caused mercury poisoning in their civilization.
By Erin Berge, Discovery, Sep 23, 2022
[www.discovermagazine.com]

Settlements of Ancient Maya were Contaminated with Mercury,
Scientists Say, News Staff, Science News, Sept. 23, 2022
[www.sci.news]

The paper is:

Cook DE, Beach TP, Luzzadder-Beach S, Dunning NP and
Turner SD (2022) Environmental legacy of pre-Columbian
Maya mercury. Front. Environ. Sci. 10:986119. doi: 10.3389/fenvs.2022.986119
[www.frontiersin.org]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)