Cover Image (IMAGE) Salk Institute Caption Scientists describe the first single-cell atlas of proteins from the ovaries of young and aged monkeys, to reveal new diagnostic biomarkers and potential therapeutic targets for human ovarian aging. This illustration for the work, selected for the cover of <i>Cell</i>, evokes the Chinese folktale, "The Monkeys Fish for the Moon," and symbolizes the hope for youth and rejuvenation. Credit Guang-Hui Liu and Yizhu Wang Usage Restrictions with credit and related coverage. 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.