Erin Love runs Firecracker Fabrics in Morningside. Tariff bills are making her business of serving Pittsburgh’s maker ...

Tariffs that take effect in 2026 are poised to hit everyday budgets in a very specific place: the home. Wells Fargo is ...

On Dec. 26, a key employee of the Sussexes decided to take wing, flinging open the emergency exit, sprinting down the jet ...

A classic math rule now handles infinity. New work strengthens the math behind physics and unbounded systems. % ...

It took 125 years, but in 2025 a team of mathematicians discovered the solution to a long-puzzling problem about the ...

Yosra Barkaoui’s doctoral dissertation in mathematics at the University of Vaasa, Finland, has successfully generalised a fundamental theorem that has been limited to the bounded case. The research ...

First-order derivatives: n additional function calls are needed. Second-order derivatives based on gradient calls, when the "grd" module is specified (Dennis and Schnabel 1983): n additional gradient ...