Seeing a woodpecker in action is more extraordinary than most people realize. This tiny bird does incredible things and is not limited to its small anatomy. A woodpecker’s tongue is perhaps its ...

Bone marrow is the soft, fatty tissue inside large bones like the hip and thigh bones. It develops the body's red blood cells that carry oxygen, white blood cells that fight infections, and platelets ...

Ears can vary, so what's considered normal anatomy of the inner or outer ear in one person may be different for another. For example, 19% to 54% of people have an attached earlobe, which is a genetic ...