Rob Denton, Ohio State University (IMAGE) Ohio State University Caption Researcher Rob Denton holds a salamander involved in research showing that an all-female type of salamander regenerates new tail tissue much faster than its heterosexual counterparts. Credit Kevin Fitzsimons, The Ohio State University Usage Restrictions with credit to Fitzsimons, OSU 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.