Archaeologists and citizen scientists have unearthed what may be the monastery of Princess Aebbe, who was born a pagan but later spread Christianity along the northeastern British coast during the seventh century. Once the pagan-turned-Christian princess (615-668) became an abbess, she established the monastery at Coldingham, a village in the southeast of Scotland. But the monastery was short-lived; Viking raiders destroyed it it in 870. Archaeologists have been looking for the remains of this monastery for decades. Excavators have now located a narrow, circular ditch, which is likely the "vallum," or the boundary that surrounded Aebbe's religious settlement, DigVentures, a...