Ordinary Portland Cement (OPC) is a fine, gray powder made from a blend of limestone, clay, and a few additional minerals When it comes to choosing the right cement for a construction project, OPC ...

Two years after a UA student accused school officials of failing to protect her from an abusive football player, campus officials are making a federal anti-discrimination law a priority and taking ...

It’s among the most common ailments people have as they age, but medical researchers have long struggled with how to help — other than surgery. The problem? Osteoarthritis in the knee, the No. 1 ...