Processing an ice core (IMAGE) Ohio State University Caption Yao Tandong, left, and Lonnie Thompson, right, process an ice core drilled from the Guliya Ice Cap in the Tibetan Plateau in 2015. The ice held viruses nearly 15,000 years old, a new study has found. Credit Image courtesy Lonnie Thompson, The Ohio State University Usage Restrictions with credit 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.