Listen to more stories on the Noa app. A dry stone wall is a purposeful pile of rocks, held in place by friction and gravity rather than mortar. It’s one of the oldest building methods known to ...

A shabby stoop can crush a home’s overall curb appeal. And while building concrete steps is more complicated than pouring a simple sidewalk, it’s probably not as hard as you might think. We spent the ...

Imagine concrete healing its own cracks like human skin recovering from a cut. That’s the vision behind the latest research of Dr. Congrui Grace Jin, published in Materials Today Communications.