Tongues on the EDGE (IMAGE) McGill University Caption Austronesian languages with the highest EDGE scores, based on linguistic distinctiveness and degree of global endangerment. Credit M. Farrell et al/McGill University 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.