The provenance of 3.4-million-year-old foot bones in Ethiopia may have finally been solved – and could prompt a rethink into how our various ancient human ancestors coexisted. In 2009, Yohannes ...
The bone marrow serves as the main site of hematopoiesis in humans, giving rise to red and white blood cells. This space is highly organized into distinct regions, or niches, that perform different ...