What’s your type? Blood type, I mean. You may already know that you’re an “O negative” or a chirpy “B positive.” Or one of many other combinations of A, B, O, positive and negative. But what do those letters mean, why do they matter, and what does the future of blood typing hold? I […]
What’s your type? Blood type, I mean. You may already know that you’re an “O negative” or a chirpy “B positive.” Or one of many other combinations of A, B, O, positive and negative. But what do those letters mean, why do they matter, and what does the future of blood typing hold? I […]