It could be a leakage, dampness or wear and tear. Most of the time the mixing of cement, sand and aggregate is doubted. The ...

The next morning, he found a sand-like substance all over his front path and driveway. Photographs and video from the time appear to show growing cracks in the mortar holding his bricks together.

California’s coastline is eroding rapidly, and researchers may have found a shocking way to protect it: by zapping the sand ...