Golden Rectangle ruthlessly mined just to form a cone. The post Math Puzzle for December 19, 2025 appeared first on Alameda ...

You’ve no doubt seen some version of this viral math problem making the rounds on Facebook, Reddit or X (though we’ve given ...

The nine rectangles A, B, C, D, E, F, G, H and I overlap one another. Rectangle A intersects rectangles D and F; this ...

The problem is named after Flavius Josephus, a Jewish historian and leader who lived in the 1st century. According to ...

This viral brain teaser has left people scratching their heads as they debate whether the answer is 500, 200, or 102 ...

Even the most basic of brain teasers can have significant impacts on our cognitive wellbeing, helping to prevent dementia and ...

Annuities promise guaranteed lifetime income—so why do Canadians avoid them? We unpack the “annuity puzzle” and when they may actually make sense.

A trending brain puzzle has users scrambling to rearrange the digits 2, 4, 6, and 9, aiming for a number as close to 5000 as ...

The Tampa Bay Lightning have built one of the NHL’s most balanced teams, a roster shaped by experience, talent, and a proven ...

Learn how hard the GMAT really is, how each section compares, and what factors—like goals, skills, and school targets—change your experience.

Here are the NYT connections hints for December 16, 2025. The four groups or categories are Yellow, Green, Blue, and Purple.

As language models (LMs) improve at tasks like image generation, trivia questions, and simple math, you might think that ...