Oreopithecus: Homunculus or Monkey? This fossil primate has recently been described as manlike, which calls attention to a classical argument as to whether the primitive ancestors of man resembled ...

Image courtesy of S. Bambi (University of Florence, Florence, Italy) and Kayla Younkin (American Museum of Natural History, New York, NY). Disclaimer: AAAS and EurekAlert! are not responsible for ...