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Saponified Brain Found at Pontevedra Convent

Researchers have moved the organ to the Universidade de Santiago de Compostela for months of laboratory analysis aimed at dating the remains and identifying the preservation mechanism.

Overview

  • The excavation team announced Monday that fieldwork at the Convento de Santa Clara uncovered a human brain preserved by saponification, which investigators say is the first documented case on the Iberian Peninsula and one of only a few known worldwide.
  • The brain was transferred to the Universidade de Santiago de Compostela for detailed study and will undergo conservation work, chemical analyses and radiocarbon dating over the coming months.
  • Archaeologists also recovered a probable chaplain burial with a nearly complete casulla, two child burials (one with footwear preserved) and more than 3,000 artefacts including ceramics, coins and glass that span roughly the late 14th to 19th centuries.
  • Project leaders say the field campaign is entering its final month before a laboratory phase and that the intervention has a budget above €400,000, with specialists expected to take several months to process finds and deliver scientific reports.
  • Investigators hypothesise that a stable or isolated microenvironment in the burial area allowed soft tissues to survive while bones degraded, a question that international forensic, conservation and environmental analyses will now seek to resolve and that could affect future research and restoration plans.