Visual logic challenge: Test your pattern recognition and problem-solving skills Try this engaging visual logic challenge designed to test your pattern recognition and problem-solving abilities.

Challenge your mind with these mind-bending riddles designed to test logic, attention to detail, and problem-solving skills. Each puzzle pushes you to think differently and approach questions from new ...

“If you are a mathematician,” one of the world’s leading mathematicians recently wrote, “you may want to make sure you are sitting down before reading further.” And you’ll definitely need to sit down ...

Follow this section to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this tag to personalize your feed and get ...

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly ...

Three new books apply an economist’s lens — and language — to some of our most unruly phenomena, including war and nature itself. By Nick Summers Nick Summers is the former Sunday Business editor at ...

One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...

What are the most pressing global crises in 2026? Each year, the International Rescue Committee’s (IRC) Emergency Watchlist identifies the countries at greatest risk of new or worsening humanitarian ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Microsoft’s MSFT0.54%increase; up pointing triangle Copilot chatbot has become central to its artificial-intelligence strategy as the company’s close partnership with OpenAI diminishes. But the effort ...

Name, image and likeness (NIL) deals have flooded college sports with hundreds of millions of dollars — but universities and team general managers have been operating with little formal oversight, ...

Nikola Jokić's triple-double production and overall stability keep him perched at No. 1 as the Top 5 holds steady. Shaun Powell Nikola Jokić has 174 career triple-doubles and should pass Oscar ...