Elevated pup retrieval (IMAGE) RIKEN Caption The elevated pup-retrieval test was used to assess the willingness of mice to care for infants in risky/dangerous situations. See the accompanying video for the results. Credit RIKEN Usage Restrictions credit RIKEN 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.