Photograph: Municipality of Tiel/Reuters
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The people known as the Picts have puzzled archaeologists and historians for centuries. They lived in Scotland during the early medieval period, from around AD300 to AD900, but many aspects of their society remain mysterious.
The Picts’ unique cultural characteristics, such as large stones decorated with distinct symbols, and lack of written records, have led to numerous theories about their origins, way of life, and culture.
This is commonly referred to in archaeology as the “Pictish problem”, a term popularised by the title of a 1955 edited book by the archaeologist Frederick Threlfall Wainwright.
Read the rest of this article...For quite some time, paleo-climate specialists have been perplexed by two enigmas: What was the origin of the ice sheets that defined the final ice age, and how could they expand so rapidly?
A fresh research conducted by the University of Arizona's experts suggests a plausible explanation for the swift expansion of the ice sheets that coated a considerable portion of the Northern Hemisphere during the last ice age. Furthermore, the study's findings may be applicable to other glacial periods in the Earth's past.