In the early 16th century, the Hunt-Lenox globe was drawn, showing uncharted (and presumably dangerous) areas marked with the warning: "HIC SVNT DRACONES" – "Here are Dragons." Subsequently, mariners sometimes adopted the phrase "there might be dragons" if they became concerned for their safety when in unfamiliar waters. Of course, none of the mariners of old had actually ever seen a dragon, so each one conjured up his own image, and this is just as true today. For those of us who…