Michael Kohn, Rice University (IMAGE) Rice University Caption Rice University biologist Michael Kohn, left, and computer scientist Luay Nakhleh, right, discuss the results of a study of the genomes of European and African mice that showed signs of three distinct hybridization events between two mouse species. The researchers determined that such events are not unusual, though only those with traits favored by evolution survive. Credit Jeff Fitlow/Rice University Usage Restrictions None License Licensed content 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.