Bulk Bone Samples (image) Curtin University Share Print E-Mail Caption Researchers analysed ancient DNA from bone fragments and soil found inside Hall's Cave, located in central Texas. Credit Curtin University, Mike Bunce Usage Restrictions Image may only be used with associated caption and credit. 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.