Lead Author Dr. Marc Milne in the Cave (IMAGE) Pensoft Publishers Caption This is lead author Dr. Marc Milne in the Stygian River Cave. Credit J Lewis Usage Restrictions CC-BY 4.0 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.