known as Rh-negative blood). But Thomas seemed to be lacking all the Rh antigens. If this suspicion proved correct, it would make his blood type Rh null —one of the rarest in the world, and a ...

Here's three main ways to type your blood: One of the easiest and most effective ways to determine your blood type is to have ...

Blood – everyone's got it. In fact, an adult who weighs between 150 and 180 pounds has around 1.2 to 1.5 gallons of blood in their body. This makes up approximately 10% of an adult’s weight. Blood ...

Meet the man who saved over 2 million babies by donating blood plasma- James Harrison, the “golden-arm” donor whose rare ...