Untangling the Evolution of Hair Loss (IMAGE) University of Utah Health Caption A first-of-its-kind study comparing the genomes of 62 mammals answers fundamental questions about mechanisms that shape a defining human characteristic: a paucity of body hair. Credit Lukas Usage Restrictions Credit must be given to the creator. License CC BY 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.