In this day and age, phones have undeniably become the main method of communication. It seems like everyone has a cell phone in their pocket, making them capable of chatting with others over social ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. Two puzzles are presented each week: the Riddler Express for those ...

THE GRADE WORKING GROUP IS DEVELOPING and evaluating a common, sensible approach to grading quality of evidence and strength of recommendations in health care. In this article, we discuss the ...

Antique dolls are popular collectibles. It is often difficult to determine the age or maker of a doll, but there are clues that can help. Many dolls with bisque or china heads are marked. Look under ...