RESEARCH HIGHLIGHT12 November 2025The purpose of the pre-Hispanic Monte Sierpe site in Peru has long baffled researchers.In southern Peru, a 1.5-kilometre stretch of land dotted with thousands of carefully aligned holes has puzzled researchers for decades. Some have speculated the site was used for defence or water collection, but new research suggests it was a hub for trade and accounting1.Access optionsAccess Nature and 54 other Nature Portfolio journalsGet Nature+, our best-value online-access subscription27,99 € / 30 dayscancel any timeLearn moreSubscribe to this journalReceive 51 print issues and online access199,00 € per yearonly 3,90 € per issueLearn moreRent or buy this articlePrices vary by article typefrom$1.95to$39.95Learn morePrices may be subject to local taxes which are calculated during checkoutdoi: https://doi.org/10.1038/d41586-025-03660-xReferencesBongers, J. L. et al. Antiquity https://doi.org/10.15184/aqy.2025.10237 (2025).Article Google Scholar Download referencesSubjectsArchaeologyLatest on:ArchaeologyJobs Senior Scientist, Target Discovery, ADCWe are looking for a motivated and skilled Senior Scientist to join Antibody-Drug Conjugates (ADC) Target Discovery Team.Turku (Kaupunki), Varsinais-Suomi (FI)Orion CorporationResearch Scientist, Target Discovery, Cancer GenomicsWe are seeking an accomplished Target Discovery Research Scientist to join the Cancer Genomics Research Team.Turku (Kaupunki), Varsinais-Suomi (FI)Orion Corporation