Indigenious Man (IMAGE) University of Zurich Caption A Yucuna man overlooking Indigenous Lands in the Amazonian rainforest, where many languages are predicted to go extinct by the end of the 21st century. Credit (Image: UZH / Rodrigo Cámara-Leret) 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.