The Cognitive Power of Crows (IMAGE) University of Iowa Caption Russian researcher Anna Smirnova studies a crow making the correct selection during a relational matching trial. Credit Photo courtesy of Lomonosov Moscow University. Usage Restrictions None 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.