Most people in the math education space agree that students need to be fluent with basic math facts. By the time kids are in ...

Expert DIYer April Wilkerson creates a rich patina on copper using simple, accessible methods in her shop. Why Venezuela’s oil may be far more trouble than it is worth for Chevron and other companies ...

An international student studying at the University of Arizona is sharing his story about how he was detained by ICE agents in October 2025. Authorities said a human smuggling suspect with a criminal ...

In this paper a filled function method is suggested for solving nonlinear systems of equalities and inequalities. Firstly, the original problem is reformulated into an equivalent constrained global ...