News Humans Incan skull surgery Holes in ancient skulls reflect skilled medical care Share this:FacebookTwitterPocketRedditPrintEmail By Bruce Bower April 25, 2008 at 9:37 am This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe