Choir of Women Singing (image) National Science Foundation Share Print E-Mail Caption Totontepec women's choir performing bilingual songs in Spanish and Ayöök. Ayöök is being documented by a research team led by Daniel Suslak of Indiana University. It is one of more than 40 endangered languages being preserved by the NSF- and NEH-funded Documenting Endangered Languages program. Credit Daniel Suslak, Indiana University Usage Restrictions None Share Print E-Mail 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.