Secret ingredient in durable Maya plaster discovered

A team of mineralogists and geologists at the University of Granada has discovered the secret behind the durability of ancient Maya plaster. In their study, reported in Science Advances, the group studied samples of the ancient ...

Ancient Roman coins thought to be fakes now authenticated

A new analysis of several Roman coins unearthed in 1713—long thought to be forgeries—suggests that they are authentic, providing evidence that the leader portrayed on one of the coins was indeed in power during the 260s ...

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