You might use the words cement and concrete interchangeably, but they're actually two different materials, and one is used to ...

There's a lot the average person doesn't know about concrete. For example, it's porous; it's the world's most-used material after water; and, perhaps most fundamentally, it's not cement. Though many ...

Concrete has a major environmental cost, while human waste creates another difficult waste-management challenge. Researchers ...

Concrete and steel production are major sources of CO2 emissions, but a new solution from Cambridge could recycle both at the same time. Throwing old concrete into steel-processing furnaces not only ...

Add Yahoo as a preferred source to see more of our stories on Google. Bucket being filled with cement - Alvarez/Getty Images The modern world is built on concrete, and cement is what makes it possible ...