School of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang 050061, P. R. China Center for Differential Equations and their Applications, Hebei University of ...

They claimed it was "a simple card switch" undetected by most, and that's how she got the right card seemingly chosen at random by the audience. One viewer posted: "All that build up to a simple ...

This week, President Trump signed the 100th executive order of his second term. Historical records show Mr. Trump has exercised his presidential pen at a pace that's unprecedented in modern U.S ...