Quite a few solvers missed the clue “System used in hematology,” for the entry ABO in the Thursday, May 30, crossword by Brandon Koppy.

Scientists discovered a new group of blood types called the Er system. They also say that there are many ways to classify blood, the knowledge of which assists in treating blood incompatibility issues ...

If you own Audioengine A2+ speakers and are wondering how much power they consume while listening to tunes, the answer may surprise you.

The ABO blood group system, defined by the presence or absence of A and B antigens on red blood cells, is one of the most extensively studied genetic polymorphisms. The genetics underlying this ...

I was not sure I understood how each one corresponded to the ABO system. Fortunately, I found a book by Susan Lederer, chairwoman of the Department of Medical History and Bioethics at the ...