Hands (VIDEO) Penn State This video is under embargo. Please login to access this video. Caption Dean Snow, emeritus professor of anthropology, Penn State, discusses handprints on cave walls and the methods he used to determine if they were male or femaile. Credit Curtis Parker, Penn State Usage Restrictions Non commercial use only 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.