The Lifestyles of the Fish and Famous -- on Extra Oxygen (13 of 14) (image) American Association for the Advancement of Science Share Print E-Mail Caption This shows Ph.D. student Anthony Signore entering the ancient DNA extraction room. The scientists determined the sequence of the oxygen-storing muscle protein myoglobin from ancient DNA of the extinct woolly mammoth and Steller's sea cow in order to infer the evolution of an aquatic phase in the ancestry of modern elephants. This image relates to a paper that appeared in the June 14, 2013, issue of Science, published by AAAS. The paper, by Scott Mirceta at University of Liverpool in Liverpool, UK, and colleagues was titled, "Evolution of Mammalian Diving Capacity Traced by Myoglobin Net Surface Charge." Credit [Image courtesy of Anthony Signore] Usage Restrictions Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. 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.