After seeing news of the tragic, sudden collapse of the 40-year-old condominium building near Miami, my wife had all sorts of questions. We’ve dated since high school, and she knows I’ve got a geology ...

After seeing news of the tragic, sudden collapse of a 40-year-old condominium building near Miami, I had all sorts of questions. Early reports have indicated the cause of the collapse may have been ...

Question: When we bought our 20-year-old house three years ago, there was what appeared to be a rust stain on one wall of our pool. The contractor we hired to resurface the pool said it was rebar that ...

A piece of rusty rebar inside spalling concrete. As the rebar rusts, it expands and fractures the concrete, exposing the rebar to even more moisture. (Tim Carter/TNS) Analysis by Tim Carter After ...

Rebar is the hidden backbone of most concrete structures, but its tendency to rust can cause major problems over time. This video explains how rebar corrosion happens, why concrete usually protects ...