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

Candidates can download the CAT previous year question papers PDF. Practice the CAT question paper of the last 5 years.

Machine learning models are designed to take in data, to find patterns or relationships within those data, and to use what ...

For decades, construction of smaller, entry-level homes has been has been falling. But there are ways to find an affordable ...

Examining mistakes gives students a chance to discuss misconceptions openly and find new approaches to solving problems.

Artificial intelligence (AI) is increasingly prevalent, integrated into phone apps, search engines and social media platforms ...

This same principle applies to education: If students never meet resistance from mistakes, they fail to develop the ...

Implementing seasonal math strategies in the fall is a simple yet powerful way to build early mathematical understanding.

On October 25, 2025, the author and game-show host Ken Jennings joined the senior editor Tyler Foggatt onstage at the 26th ...

Timothy Mellon is a billionaire and a major financial backer of President Trump. Timothy Mellon during a property tour in 1981. A grandson of former Treasury Secretary Andrew W. Mellon, Mr. Mellon was ...