Fossil encased in amber (IMAGE) University of Bristol Caption Cretophengodes azari, a fossil light-producing beetle from Cretaceous Burmese amber (~100 million years old). Credit Chenyang Cai Usage Restrictions None 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.