Add Yahoo as a preferred source to see more of our stories on Google. Blood transfusions in a lab. We take a look at Rh-null blood, better known as "golden blood," a rare blood type that fewer than 50 ...

As Mark and Tong spend more time together and draw closer, feelings of intimacy and restraint begin to struggle against their shared mission to protect Tong’s blood. While under surveillance from ...

Although, of course, the fact that only a select few have it is impressive. It is distinguished by the fact that it does not contain antigens, meaning that it is neither negative nor positive. Such ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...