Combinatorics, or at least part of it, is the art of counting. For example: how many derangements does a set with n n elements have? A derangement is a bijection with no fixed points. We’ll count them ...

On June 20, 2025, the Supreme Court of the United States held that a former firefighter forced to retire after developing ...

The doubling of steel and aluminum tariffs by the Trump administration—from 25% to 50% within just three months—is a ...

This important study demonstrates the significance of incorporating biological constraints in training neural networks to develop models that make accurate predictions under novel conditions. By ...

THE WEEK’S MOST POPULAR CURRENT R&B SONGS ACROSS ALL GENRES, RANKED BY STREAMING ACTIVITY DATA BY ONLINE MUSIC SOURCES TRACKED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS MEASURED BY ...

R. Kelly was hospitalized after what his lawyer called an assassination attempt, according to court documents filed Tuesday. Kelly, whose full name is Robert Sylvester Kelly, was taken to Duke ...

Endothelium, Vascular; Function, Endothelim; Atherosclerosis; Vasodilatation. Endothelial dysfunction is an early, key characteristic of development and progression of atherosclerotic plaque and ...

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