“O nly in the period when Megalithic Man was setting out the sophisticated stone rings has a sufficiently high standard of mathematical knowledge and skill ever been reached before the fifteenth century AD. Even today there are few archaeologists capable of appreciating the underlying geometry.” - Prof. Alexander Thom The Mysterious Ancient Spheres Four hundred and twenty geometric stone spheres have been found in the vicinity of Neolithic stone circles in Northern Scotland, with 169 coming from Aberdeenshire alone. Outside Scotland, examples have been found in Ireland at Ballymena, and in England at Durham, Cumbria, Lowick and Bridlington. One was recently spotted by the author over 6,000 miles away that came from an important megalithic pyramid site in South America
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