Explore the fascinating evolution of hematology in this 16-minute video lecture. Trace the development of blood-related medical knowledge from ancient bloodletting practices to modern breakthroughs. Learn about key discoveries during the Islamic Golden Age, the invention of blood films, and the identification of lymph. Delve into the history of blood transfusions, the discovery of blood groups, and the accidental creation of heparin by a medical student. Uncover the origins of warfarin from farmers' observations and the unexpected antiangiogenic properties of thalidomide. Gain insights into Virchow's triad and the simultaneous discovery of blood groups and the Rhesus system. Conclude with an educational quiz to reinforce your understanding of hematology's rich history.