Source of Megalithic Monument in Yorkshire Identified
YORK, ENGLAND—According to a SciNews report, Anthony Clarke of Curtin University and his colleagues analyzed zircon and apatite crystals in the Devil’s Arrows—three megaliths standing in alignment in North Yorkshire—in an effort to trace their origins. The stones, each of which weighs more than 25 tons, are thought to have been erected around 2000 B.C.…









