Skulls and horns (IMAGE) Max Planck Institute of Geoanthropology Caption Argali skulls and horns stacked in a pile after a successful hunt, dated to ca. 169-325 cal. CE Credit William Taylor Usage Restrictions Please provide credit information with reuse 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.