Fossil raises puzzling questions about how upright body plan of great apes evolved
Wednesday, February 4, 2015 - 06:30
in Biology & Nature
For decades, scientists have recognized the upright posture exhibited by chimpanzees, gorillas, and humans as a key feature separating the "great apes" from other primates, but a host of questions about the evolution of that posture—particularly how and when it emerged—have long gone unanswered.