Preserved wood during excavation of a ditch in the Roman fortlet, Bearsden, Scotland BEARSDEN, SCOTLAND—A small Roman fort that likely housed between 20 and 50 soldiers has been discovered in Scotland along the route of the Antonine Wall, according to a Live Science report. Construction of the 38-mile wall began in A.D. 142 after the Roman conquest of southern Scotland, under the orders of the emperor Antoninus Pius, who reigned from A.D. 138 to…