video: B-roll of Dr. Manish Arora and the lab work involved in this study. Arora and colleagues studied barium in orangutan teeth, which indicated whether an infant or immature orangutan was still nursing. This material relates to a paper that appeared in the 19 May 2017, issue of Science Advances, published by AAAS. The paper, by T.M. Smith at Griffith University in Nathan, QLD, Australia, and colleagues was titled, "Cyclical nursing patterns in wild orangutans." view more
Credit: [Credit: Mount Sinai Health System]