Batak Totem from Sumatra (IMAGE) National Evolutionary Synthesis Center (NESCent) Caption The belief in moral, high gods may be advantageous because it fosters cooperative behavior, especially in harsh environments. Credit Michael Höefner, Wikimedia Commons 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.