In a study recently published in Geochimica et Cosmochimica Acta, an international research team analyzed teeth from 14 different primates, including one human, to better understand the rainfall or water input patterns across their lifetimes.

For the last six years, graduate student Meredith Carlson has studied the ongoing development of stone tool use in white-faced capuchins on the islands of Coiba and Jicarón, both located within Panama's Coiba National Park.