Advent of Farming, Especially Dairy, Affected Human Skull Shape (image) University of California - Davis Share Print E-Mail Caption UC Davis anthropologist David Katz measured specific points on hundreds of human skull bones (top) to create a wire frame model of the skull and jaw (bottom). Blue dashes indicate changes in skull shape from foragers to dairy farmers. Credit David Katz and Tim Weaver, UC Davis Usage Restrictions May be used with acknowledgement of the source. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.