Karl Landsteiner blood group A nor of blood group B. Therefore, the immune systems of persons with blood group A, B or AB do not refuse the donation. Further, because persons with blood group AB do not form antibodies against either the antigens of blood group A or B, they can accept blood from persons with these blood groups, besides from persons with blood group O-negative. In today's blood transfusions only concentrates of red blood cells without serum are transmitted, which is of great importance in surgical practice. In 1930 Landsteiner was awarded the Nobel Prize in Physiology or Medicine in recognition
Ig Nobel Prize often, however, they draw attention to scientific articles that have some humorous or unexpected aspect. Examples range from the discovery that the presence of humans tends to sexually arouse ostriches, to the statement that black holes fulfill all the technical requirements to be the location of Hell, to research on the "five-second rule" - a tongue-in-cheek belief that food dropped on the floor will not become contaminated if it is picked up within five seconds. In 2010, Sir Andre Geim, who had been awarded an Ig Nobel Prize in 2000 for levitating a frog by magnetism, was awarded a Nobel