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<blockquote data-quote="moreluck" data-source="post: 909595" data-attributes="member: 1246">And here I thought ABO meant Anyone But Obama!!Today&#039;s useless fact - Who came up with the different blood types (e.g., A+, O-, etc.)?Business of classifying <a href="http://www.askfactmaster.com/Blood_type" target="_blank">blood into various groups</a> or types was first described by Karl Landsteiner in 1901. More specifically, Landsteiner, an Austrian-born U.S. immunologist, discovered the &quot;ABO&quot; system, made up of four groups (A, B, AB, and O) into which all blood can be classified. Apparently it&#039;s the presence or absence of certain &quot;antigens&quot; in your blood that determines type.But that&#039;s just the tip of the iceberg. Further research by Landsteiner and others lead to the discovery of 14 main types of blood group systems. Landsteiner also participated in the discovery of the Rhesus blood factors and the polio virus. Landsteiner was awarded the Nobel Prize in Physiology or Medicine in 1930 for his work in discovering ABO blood types. Check out the links in our <a href="http://www.askfactmaster.com/Blood_type" target="_blank">Blood Type category</a> for more. </blockquote>

[QUOTE="moreluck, post: 909595, member: 1246"] [COLOR=#8B4513]And here I thought ABO meant Anyone But Obama!! [/COLOR] [FONT=Times New Roman][COLOR=black]Today's useless fact - Who came up with the different blood types (e.g., A+, O-, etc.)? Business of classifying [URL='http://www.askfactmaster.com/Blood_type']blood into various groups[/URL] or types was first described by Karl Landsteiner in 1901. More specifically, Landsteiner, an Austrian-born U.S. immunologist, discovered the "ABO" system, made up of four groups (A, B, AB, and O) into which all blood can be classified. Apparently it's the presence or absence of certain "antigens" in your blood that determines type. But that's just the tip of the iceberg. Further research by Landsteiner and others lead to the discovery of 14 main types of blood group systems. Landsteiner also participated in the discovery of the Rhesus blood factors and the polio virus. Landsteiner was awarded the Nobel Prize in Physiology or Medicine in 1930 for his work in discovering ABO blood types. Check out the links in our [URL='http://www.askfactmaster.com/Blood_type']Blood Type category[/URL] for more. [/COLOR][/FONT] [/QUOTE]

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