There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants. Type ...
Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
A blood type found in just three people is shaking up what we thought we knew about human biology. Called B(A), it doesn’t quite fit into the usual ABO system and hints that more hidden variations ...