Contact: Megan Fellman
Caption: Cave-diving scientist Patricia A. Beddows of Northwestern University is pictured in the technical SCUBA gear she uses to access the flooded cave systems in Mexico's Yucatán Peninsula. She is a contributing scientist for the Hoyo Negro site, where one of the oldest human skeletons in North America was found alongside at least 16 other animal species.
Credit: Credit: E. Monroy-Rios
Usage Restrictions: Must identify Patricia A. Beddows of Northwestern University and must include credit.
Related news release: One of oldest human skeletons in North America is discovered