Molecular genetic and geochemical assays reveal severe contamination of drinking water reservoirs at the ancient Maya city of Tikal. - Lentz, David L.; Hamilton, Trinity L.; Dunning, Nicholas P.; Scarborough, Vernon L.; Luxton, Todd P.; Vonderheide, Anne; Tepe, Eric J.; Perfetta, Cory J.; Brunemann, James; Grazioso, Liwy; Valdez, Fred; Tankersley, Kenneth B.; et al. (Scientific Reports, 2020)