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 ...

Blood is full of a number of things. There are the red cells, which contain oxygen-carrying hemoglobin and are used in transfusions for anemia.There are white cells, which rush to defend the system ...

There’s more history in your blood types than you think, and it didn’t begin with humans. Here’s what we know about them, ...

The 19th-century science fiction novel Frankenstein explores the idea of combining artificial materials with human body components, purely as a matter of imagination. Two centuries later, such ...