Hypertrophic chondrocytes are deeply involved in the growth of mammalian bones. Researchers find that these cells transform ...

Loren E. Babcock, The Ohio State University, introduces research on Cladoselache, a puzzling ancient shark-like fish ...

Patient 1 was a 53-year old Caucasian female who presented with complaints of low back discomfort. She gave a medical history of self-induced abortion at 6 months’ gestation, complicated by pelvic ...

Explores the anatomy and functions of human joints, categorizing them into three main types: fibrous, cartilaginous, and synovial. It details the characteristics and subtypes of each joint type, ...

Our understanding of shark evolution may need to be rethought following the discovery of a 410-million-year-old ancestor of this group of fish. Sharks are cartilaginous fish, meaning their skeletons ...

The fossil record shows that cartilaginous fish evolved at least 420 million years ago, and rapidly diversified to become one of the most species-rich groups of predators on Earth. While they have ...

In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth. Sonja Wood, the museum's owner, and Chris Mansky, the museum's curator, found ...

A newly discovered fish fossil is the earliest known creature with what might be recognized as a face. Entelognathus primordialis was an ancient fish that lived about 419 million years ago in the Late ...

From a Hercules beetle tough natural armor to a sea anemone’s soft fluid-filled body, nature boasts a variety of skeletons. A circa-1910 x-ray photograph of pot-bellied seahorses shows their ...