A 4300 year old skull from the Harappan times has shown signs of brain surgery. A paper in “Current Science” says that it is an “unequivocal case” of a procedure called Trepanation on the skull. Trepanation – is a common means of surgery practised in prehistoric societies starting with the Stone Age, involved drilling or cutting through the skull vault, often to treat head injury or to remove bone splinters or blood clots caused by a blow to the head.... Read more