Utilized by Celts 23,000 years in the past: archaeologists found a cranium trepanation software in Poland

Utilized by Celts 23,000 years in the past: archaeologists found a cranium trepanation software in Poland<p>Scientists have discovered an historic Celtic surgical scalpel, 2,300 years previous, used for cranium trepanation. This discovery was made at a Celtic settlement web site within the Masovian Voivodeship.</p>