Paleo-proteomic analysis of Iron Age dental calculus provides direct evidence of Scythian reliance on ruminant dairy - Jaruschka Pecnik; Alicia R. Ventresca Miller; Christian Panse; Laura Kunz; Antje Dittmann; James A. Johnson; Sergey Makhortykh; Ludmilla Litvinova; Svetlana Andrukh; Gennady Toschev; Michael Krützen; Verena J. Schuenemann; et al. (PLoS ONE, 2026)