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 ...

A US team of researchers has uncovered 27 bone tools made by human ancestors about 1.5 million years ago. While older bone tools have been discovered, similar examples of bone tool kits occur ...

Deep in a trench in Tanzania, researchers found dozens of tools crafted from animal bones some 1.5 million years old. By Carl Zimmer Humans, unlike most other species, have a knack for making tools.

A 1.5-million-year-old cache of animal-bone tools reveals that ancient humans systematically crafted with this material much earlier than previously thought. Researchers uncovered 27 bone ...

The findings come from a study of bone tools discovered at Olduvai Gorge in Tanzania and dated to around 1.5 million years ago. The discovery joins other finds — such as a 1.4-million-year-old ...

Tools made from elephant bones range from 8.6 to 15 inches (22 to 38 centimeters) long, while the hippo bone tools are slightly shorter at 7 to 11.8 inches (18 to 30 cm) long.

University of Florida Health. Aorta anatomy. Johns Hopkins Medicine. Abdominal aortic aneurysm. Harvard Health Medicine. Shining a light on thoracic aortic disease. Lech C, Swaminathan A. Abdominal ...

Damage to bone leads to pain and loss of movement in the musculoskeletal system. Although bone can regenerate, sometimes it is damaged beyond its innate capacity. Research interest is increasingly ...

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