North American Monkeys: Cebus capucinus. Photo by Sean Mattson, STRI Animals Paleontology 

North American Monkeys Older Than Previously Thought

By Emily Rhode @riseandsci With the formation of the Isthmus of Panama, North and South America became connected by a thin but important strip of land that was at one time the location of a narrow seaway. As engineers recently worked to widen the Panama Canal that once again divides the two landmasses, a team of scientists acted quickly to dig through the rubble and collect newly unearthed fossils. What scientists from the Smithsonian Tropical Research Institute, the University of Florida, and the New Mexico Museum of Natural History and…

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