The left hip and leg bones from a young female Paranthropus robustus discovered in South Africa show she was extremely short — and ended up as a leopard's lunch.

You have more bone marrow in the larger, longer bones, such as your hip bones. Bone marrow contains fat, stem cells, and blood vessels. Stem cells are immature cells that can eventually develop ...

“Traditionally, hip resurfacing arthroplasty has been recommended for younger, active patients due to concerns about bone ...