Researchers led by a team at the University of Tokyo have turned concrete from a demolished school building and carbon dioxide (CO 2) from the air into new blocks strong enough to build a house with.

They think their garages have a horrible toxic mold bloom. I know this to be true ... Salts of all types can be found in soils, concrete block, brick and sand. Almost all of these dissolve with ...

Does paint peel off in certain areas of blocks or poured concrete no matter how often you recoat? This problem might look like mold, but it’s probably something called efflorescence. And dealing ...