Doctors dream of having artificial blood always on hand, but the reality has usually been very different. While you can produce red blood cells in a lab, the current technique (which prods stem cells into action) only nets a small number of them at best. British researchers appear to have found the solution, however: theyve developed a technique that can reliably produce an unlimited number of red blood cells. The trick is to create immortalized premature red blood cells that yo…Read more