126. Open Letter Against Weaponized Robots, Before Birth Stem Cell Treatment, New Blood Group

Show Notes: <p> <a href='https://archive.ph/xry6g'>Scientists Have Discovered a New Set of Blood Groups</a> | Wired (00:52)</p> <ul><li style="font-weight:400;"> <p>After performing an emergency C-section for a pregnant woman, researchers were curious why there were these strange antibodies in the blood.</p> </li> <li style="font-weight:400;"> <p>They made a startling discovery: </p> <ul><li style="font-weight:400;"> <p>The woman’s blood was of an ultra rare type, which may have made her baby’s blood incompatible with her own. </p> </li> <li style="font-weight:400;"> <p>Prompting her immune system to produce antibodies against her baby’s blood</p> </li> </ul> </li> <li style="font-weight:400;"> <p>Scientists were able to unpick exactly what made her blood different, and in the process confirmed a new set of blood grouping—the “Er” system, the 44th to be described.</p> <ul><li style="font-weight:400;"> <p>A, B, O, and AB isn’t the only classification system</p> </li> <li style="font-weight:400;"> <p>There are many ways of grouping red blood cells based on differences in the sugars or proteins that coat their surface, known as antigens. </p> </li> </ul> </li> <li style="font-weight:400;"> <p>Differences in antigens results in the following situation:</p> <ul><li style="font-weight:400;"> <p>Someone receives incompatible blood from a donor, for example, the recipient’s immune system may detect those antigens as foreign and react against them. </p> </li> </ul> </li> <li style="font-weight:400;"> <p>One new blood classification system has been described by researchers each year during the past decade. </p> <ul><li style="font-weight:400;"> <p>tend to involve blood types that are extremely rare</p> </li> </ul> </li> <li style="font-weight:400;"> <p>“Discovering a new blood group system is like discovering a new planet. It enlarges the landscape of our reality,” says Daniela Hermelin at the Saint Louis University School of Medicine, who was not involved in the study.</p> </li> <li style="font-weight:400;"> <p>Due to tho