Brazil Nut Fruit (IMAGE) Max Planck Institute of Geoanthropology Caption Brazil nut fruit and tree in the background. Credit Victor L. Caetano Andrade Usage Restrictions This image may only be used in the context of reporting on this publication and with appropriate credit information. 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.