Several fundamental results on the existence and behavior of solutions to semilinear functional differential equations are developed in a Banach space setting. The ideas are applied to ...

A landmark trial begins, as the U.S. Federal Trade Commission moves forward with allegations that Amazon systematically misled consumers into signing up for its Prime membership. The FTC claims Amazon ...

ACS ultra-high resolution Holter recorders have been designed to maximize patient comfort without sacrificing quality. The Holter Performer™ Model 2010 recorder weighs just 3 ounces and samples in ...

An inexpensive, over-the-counter form of vitamin B3 cut new skin cancers by an average of 14% in a study of more than 33,000 people. Among those who began taking a daily dose after a first diagnosis, ...