The heart receives its own supply of blood from a network of arteries, called the coronary arteries. Two major coronary arteries branch off from the aorta near the point where the aorta and the left ventricle meet:
Walton, Ernest Thomas Sinton - Student Encyclopedia (Ages 11 and up) (1903-95), Irish physicist. Born in County Waterford, Ireland, Walton, with Sir John D. Cockcroft, received the 1951 Nobel prize in physics for the development of the first nuclear-particle accelerator.
Yellow Fever. In 1844, American physician, John Gorrie, built a refrigerator to make ice to cool the air for his yellow fever patients. Some historians think that Doctor Gorrie may have also invented the first ice cube tray since it was documented that his patients were also receiving iced drinks.