According to a Science in Poland report, traces of four unusual huts dated to the eleventh or twelfth century have been uncovered on an island in the Baltic Sea near the coast of Poland. Researchers were excavating an area once known as Srebrne Wzgórze on the northern edge of the medieval town, where there had been a market and craft workshops, when they unearthed the huts. “They are platforms made of clay and sand, surrounded by a ditch,” said Wojciech Filipowiak of the Polish Academy of Sciences. “Some have a hearth, some have an oven,” he added. Pottery, animal bones,...