New fossil evidence suggests echidnas evolved from a water-dwelling ancestor, not a land-based one. The bone structure ...

It is the longest bone in the upper part of your body ... allowing for all degrees of motion. The top of the humerus also serves as the origin point for muscles that make up the shoulder girdle.

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.

New analysis of a 100-million-year-old fossil embedded in a rocky cove in Australia suggests echidnas may have evolved from ...

New fossil evidence reveals insights into the evolution of monotremes, specifically platypuses and echidnas. A ...

The latest research suggests that echidnas and platypuses originate from an aquatic ancestor, rather than a terrestrial one, ...

Its origin story dates back to the early 2010s ... Dugas was looking for a patient with a UCL tear near the bone, ideally the humerus, and whose ligament tissue appeared healthy enough to be ...

“Specifically, the hospital failed to prevent abuse, identify injuries of unknown origin as indicators of potential abuse ... with the review of the radiologist’s report indicating a finding of “bones ...