Tsimane Family (image) Santa Fe Institute Share Print E-Mail Caption In an article that appears in the current issue of Evolutionary Anthropology, researchers synthesize over 15 years of theoretical and empirical findings from long-term study of the Tsimane forager-farmers. In they find productivity and social status peak long after physical strength. Credit Paul Hooper Usage Restrictions Credit Paul Hooper Share Print E-Mail 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.