Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

This repository provides a solution to the standard Capacitated Vehicle Routing Problem with Time Windows (CVRPTW). In a CVRPTW, we aim to optimize the routes of a fleet of vehicles serving customers ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Food and milk sit in a shopping cart during a ...

The Trump administration is rejecting calls to use roughly $5 billion in contingency funds to keep food assistance flowing into November amid the ongoing government shutdown, according to a Department ...

About 1 in 8 U.S. residents get an average of $187 a month through the Supplemental Nutrition Assistance Program, or SNAP. One of those people is Shari Jablonowski. The 66-year-old widow, who lives ...

WARNING: This story details allegations of child abuse. A forensic pathologist has testified the autopsy he performed on a 12-year-old who was in the care of two Burlington, Ont., women was unable to ...

A new pet therapy program has launched at a Philadelphia school. The school has seven therapy programs that are already popular among students. The program aims to boost student engagement and reduce ...

A large percentage of eligible seniors in Iowa are not enrolled in the Supplemental Nutrition Assistance Program. Stigma, confusing applications, and a sense of pride are among the reasons many older ...

I would like to add this question as well, as it builds strong conceptual understanding and is challenging, making it valuable for improving problem-solving skills. 📝 Problem Statement Given a string ...

Since the state’s first dispensary opened in 2021, West Virginia’s medical cannabis program has collected roughly $34 million in taxes, licensing fees and interest. State law requires the money be ...

The first half of this year was the costliest ever recorded for weather and climate disasters in the United States, according to an analysis published Wednesday by the nonprofit organization Climate ...