Medieval Walls In Spain Contain Bits Of Bone

 

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In a macabre discovery fit for Indiana Jones,

archaeologists in Spain unearthed a 14th century brick oven with a unique role — to bake bones. Scientists report that the animal bones were burnt in the oven and mixed with other materials to produce a protective coating to strengthen the grand medieval walls of what is today Granada, Spain. Scientists now describe how they found these materials thanks to a powerful new testing method.

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