Trephination (known also as trepanning, trepanation, trephining, or making a burr hole), is a surgical procedure, which involves the drilling of a hole in the skull of a living person. Trephination...
New evidence has emerged that suggests ancient surgeons in China were drilling or scraping holes in people’s heads more than 3,500 years ago. The process, known as trepanation, was used in various...