In the Greek Islands, one can seek out the home of Hippocrates, the father of modern medicine. In the area, one can also find an olive tree, supposedly dating from his time. If this is so, this tree would then be some 2400 years old. The trunk of this tree is very large but completely hollow. The tree is little more than thick bark. There are a few long, straggling branches, but they are supported by sturdy wooden poles …