An ancient Pompeii wall at a newly excavated site, where Associate Professor Admir Masic applied compositional analysis (overlayed to right) to understand how ancient Romans made concrete that has ...

For centuries, engineers and historians have puzzled over one of the greatest mysteries of the ancient world. Why have Roman buildings survived earthquakes, storms and nearly two millennia of wear ...

Much before humans constructed their first permanent shelters, they discovered the protective power of animal hides as a barrier against harsh environmental conditions. This fundamental principle of ...