Add Yahoo as a preferred source to see more of our stories on Google. Researchers still puzzle over exactly how Roman concrete was made, but they have a few clues, including many of its ingredients ...

Roman concrete has shrugged off two millennia of earthquakes, wars, and weather that would pulverize most modern structures in a fraction of the time. The surprising reason is not mystical at all, but ...

The Roman Empire may be long gone, but its architecture has stood the test of time — most notably, its insanely durable concrete, which has been hailed as the world's strongest. The building material, ...

Archaeologists working at an excavation site in Pompeii have uncovered new evidence that helps explain why ancient Roman buildings have lasted for thousands of years. The discovery points to a special ...

Despite their empire falling more than 1,500 years ago, the Roman recipe for concrete remains stronger than anything around today. And it's all thanks to seawater. Roman concrete combined volcanic ash ...

Ancient Roman concrete's remarkable durability, long attributed to luck, is now understood as a result of a sophisticated ...

Ancient Rome was full of master builders and engineers. The fruits of their labors can still be seen in the aqueducts they built—which still function to this day—as well as the Pantheon, a nearly ...

Around A.D. 79, Roman author Pliny the Elder wrote in his Naturalis Historia that concrete structures in harbors, exposed to the constant assault of the saltwater waves, become "a single stone mass, ...

MIT scientists examined concrete samples from the archaeological site of Privernum, Italy (left) and mapped out the ingredients within (right). The red section is a calcium-rich lime clast. Courtesy ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. There is the famous scene in Monty Python's "Life of Brian" ...

(Image: Drilling out a sample of an ancient Roman concrete structure in Portus Cosanus, Tuscany, in 2003.) Ancient Roman concrete was more durable than any developed before or since. "It's the most ...