A federal appeals court ruled on Friday that most of President Trump's global tariffs were illegal. The ruling explains the president exceeded his authority in using emergency powers to impose them.

This article presents the design concept, detailed signal flow graph analysis, and a step-by-step design procedure for implementing the DN. To demonstrate the effectiveness of the approach, a DN was ...

Cannabis Users Face Substantially Higher Risk of Heart Attack As marijuana use increases, so does evidence showing it harms the heart ...