We walk through an optimization problem step by step, clearly explaining how to identify variables, set up the correct function, apply derivatives, and find maximum or minimum values. Each step is ...

Secretary of State Marco Rubio said President Trump always has options when it comes to what comes next in Venezuela, after a ...

And the absurd calculus is now canon: enemies must be pampered, their moral conversion assumed possible through NGOs, aid ...

We reported on all sorts of products and practices promising to make you healthy last year. Here are the ones that stood up ...

Jamaat-e-Islami and its affiliates, the National Citizen Party and radical student wings, repetitively stoke religious ...

What we call “effortless” is a recipe more often than we’d like to admit. One fresh basic, one good shoe, one unnecessary ...

With just two days left until the closing of his posting window, we knew a Kazuma Okamoto decision was coming soon, and it ...

Expressions of unbridled power don’t come blunter than abducting a sitting president from his capital in the dead of night.

GOP lawmakers are fleeing for the exit in droves, with many pointing to a Congress they argue has grown too dysfunctional and ...

While studying salmon populations and designing amusement parks, these students are breaking barriers to advanced math that ...

My sister followed all the rules I broke. For decades, I thought that made me smarter. Then she died, and I realized she’d ...