Ancient Technology2,000-year-old Celtic Brain Surgery Tool Reveals Advanced Medical Skills Posted on November 7, 2025 by Administrator Archaeologists exploring a hilltop settlement in Mazovia, Poland have uncovered what may be one of the rarest surgical instruments from the Celtic world: an iron trepanation tool used for drilling into human skulls. The discovery at the Łysa Góra archaeological site offers extraordinary evidence that Celtic groups traveling through ancient Poland carried with them not just warriors and craftsmen, but medical specialists capable of performing complex brain surgery over 2,000 years ago.
