Humanlike Skulls (image) University of the Witwatersrand Share Print E-Mail Caption The skulls of Homo naledi bear traces on their inside surfaces of the shape of naledi's brain. Only a third the size of human brains, they nonetheless had some surprisingly humanlike features. Credit Credit: John Hawks Usage Restrictions None 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.