Gene Hunt, Smithsonian (IMAGE) Smithsonian Caption Dr. Gene Hunt, curator of Ostracoda for the Smithsonian's National Museum of Natural History, with a deep-sea ostracode specimen under the microscope. Hunt and a team of researchers drew on the museum's ostracode collection to understand the role of sexual selection in extinction. Their findings were published in Nature on April 11. Credit Adrian James Testa, Smithsonian Usage Restrictions News-media use of these photos in relation to this study is permitted with attribution. 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.