Did Human Ancestors Walk on Their Knuckles Like Today's Chimpanzees? New Research Adds More Evidence to the Debate

Before we stood tall, what did the bones in our wrists say about how we moved?You know how we're always trying to figure out where we came from? This piece dives into one of those fascinating evolutionary puzzles: how did our ancestors move before we stood upright? Specifically, did they knuckle-walk like chimps, or use flat palms? New research, looking at thousands of wrist bones, adds a fresh perspective to this long-running debate. It’s a deep dive into the subtle clues our bones hold about the journey from our shared primate past to our bipedal present, making you think about every step we’ve taken.A new study examines whether the last common ancestor of humans and chimpanzees moved via knuckle walking. By analyzing thousands of wrist bones from diverse species, researchers identify morphological similarities between hominin and African ape wrists, strengthening the hypothesis of a knuckle-walking ancestor. The piece discusses these findings within the broader scientific debate, noting the research's limitations and the need for further fossil evidence.Read at source: Smithsonian Magazine