• 'World's oldest calendar' discovered in Scottish field

    Archaeologists believe they have discovered the world's oldest lunar "calendar" in an Aberdeenshire field.Excavations of a field at Crathes Castle found a series of 12 pits which appear to mimic the phases of the moon and track lunar months.A team led by the University of Birmingham suggests the ancient monument was created by hunter-gatherers about 10,000 years ago.The pit alignment, at Warren Field, was first excavated in 2004.The experts who analysed the pits said they may have contained a wooden post....