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 ...

When most people think of pack rats, they think of the pesky little rodents that invade their homes or chew cables in the engine of their vehicles. But for University of Arizona undergraduate Sandy ...

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 ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

Lance Armstrong tells Oprah he used banned drugs, received blood transfusions. Jan. 17, 2013— -- Lance Armstrong, formerly cycling's most decorated champion and considered one of America's ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive and professor for 34 years. She is an adjunct ...