“The robot comes in, sets its arm position at the right height to focus the beam on the surface, and the trepanner cuts the hole without using robot-arm movement.”

“He says he continues to enjoy the benefits of his trepanation 28 years after he performed it.”

“Reports of trepanation have been spotty throughout history, but there is little doubt of its existence dating back to Neolithic times.”

“The ancient practice of trepanation involves drilling a hole into the skull of a living human being to relieve illness or release evil spirits.”

“These trepanations were probably performed around the time of death as there were no signs of healing around the circular surface of the holes.”

“Rowan, the Shepherd, uses the same abattoir he trepans his flock as the church for his cult acolytes.”