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

HOUSTON — A 13-year-old girl was stabbed multiple times at an apartment complex in north Harris County Friday afternoon. Harris County Constable Precinct 4 investigators said the suspect is her ...

The CBSE Class 12 Biology curriculum is divided into four main units, each carrying equal weight in the final 70-mark theory paper. A smart study plan must balance the thorough understanding of ...

A key group of American borrowers is falling significantly behind on their car loans. It's yet another sign that the U.S. economy is forming some serious cracks, leaving the most vulnerable in ...

Suddenly, the need to convert the numbers on the barrel made sense. If I’m entirely honest, crop factor still catches me out sometimes. It’s not hard to see why. Pick up an APS-C interchangeable-lens ...

According to the National Center for Hydro-Meteorological Forecasting, at 4 p.m., the center of storm No. 12 (storm Fengshen) was at about 15.2 degrees North latitude; 119.7 degrees East longitude.

The New York State Education Department is pushing new math guidelines, including a recommendation that teachers stop giving timed quizzes — because it stresses students out. The new guidelines also ...

Aaron Rodgers and the Pittsburgh Steelers are off to a fast start with one another. Entering Week 7's Thursday Night Football matchup with the Cincinnati Bengals, the Steelers are 4-1 (having already ...

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The historic Number 12 Squadron has been re-established in South Australia. At the same time, the country's 13th P-8A Poseidon aircraft has arrived. The Albanese government has re-established the ...