Exchangeable heads

http://blogs.discovermagazine.com/neuroskeptic/2017/05/13/canavero-head-transplants/?utm_source=SilverpopMailing&utm_medium=email&utm_campaign=News0_DSC_170518_000000_Final%20remainder&utm_content=&spMailingID=29074186&spUserID=MTE2MDc2NDE5OTI0S0&spJobID=1042494632&spReportId=MTA0MjQ5NDYzMgS2#.WR4kT2jyvct