Add Yahoo as a preferred source to see more of our stories on Google. Close-Up Of Donated Blood In Bag Knowing your blood type is critical during emergency health situations. Knowing your blood type ...

More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

(Douglas Sacha/Getty Images) You might not think your blood type has much to do with your health, but research suggests that ...

Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...

Immature ganulocytes, also called myeloblasts, are a type of young white blood cell. Unusual amounts of myeloblasts usually occur due to problems with bone marrow, such as certain types of blood ...

A decades-long search to identify a mysterious blood antigen has led researchers to a hidden genetic difference found in a ...

Blood stem cells, which give rise to all of our blood cell types, undergo a quality assurance process after they're born. As the lab of Leonard Zon, MD, director of the Stem Cell Research program at ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...