The correct, precise and accurate blood matching for possible blood transfusion plays a crucial role in every patient who requires such. And this blood matching made possible by the discovery of blood groupings by Dr. Karl Landsteiner. Perhaps it is just right to celebrate his 148th birthday today as we can see how Google doodles Karl Landsteiner 148th birthday.
The Google homepage just shows an animation of the 4 different blood groups, A, B, AB and O. Enjoy this educational animated homepage today guys!