EditorialSnake-head Amulet, Middle Kingdom, Dynasty 12?13, ca. 1981?1640 B.C., From Egypt, Memphite Region, Lisht North, Cemetery, Carnelian, W. 0.7 x L. 1.6 cm (1/4 x 5/8 in.), The cobra, a common inhabitant of the Nile River's floodplain, has a deadly bite. W...