Shelby is an editor with an affinity for covering home improvement and repair, design and real estate trends. She also specializes in content strategy and entrepreneur coaching for small businesses, ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Editor's Note: In this weekly series, LiveScience looks at scientific aspects of the summer ...