audio: This is an audio file of a computer-generated macaque vocal model saying, "Will you marry me." This material relates to a paper that appeared in the most recent issue of Science Advances, published by AAAS. The paper, by W.T. Fitch at University of Vienna in Vienna, Austria, and colleagues was titled, "Monkey vocal tracts are speech-ready." view more
Credit: Fitch et al. Sci. Adv. 2016;2:e1600723