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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Deposit Photos. The Roman Empire, a powerhouse of its time (47 BC to around 476 AD), didn't just leave its mark with ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers still puzzle over exactly how Roman concrete was made, but they have a few clues, ...