Calcium: Good for bones, good for cultural conservation

When it comes to cultural heritage sites, there are few things historians wouldn't do to preserve them for future generations. In particular, stone buildings and sculptures made of plaster and marble are increasingly at risk ...

Excavations show remote Greek islet was early industrial hub

Excavations next to the uninhabited Greek islet of Keros, already identified as the enigmatic hub of a forgotten religion, have now revealed traces of intense industrial activity more than 4,500 years ago, Greece's Culture ...