When Kenya released its senior school placement results in December 2025, the reaction was swift and visceral. Parents crowded school offices. WhatsApp groups are filled with screenshots of placement ...

“One of the basic axioms of the rational theory of decision under uncertainty is Savage’s (1954) sure-thing principle (STP).

With half the basketball season complete and a quarter of the conference schedule in the books, it’s time to take a serious ...

Discover how Markov chains predict real systems, from Ulam and von Neumann’s Monte Carlo to PageRank, so you can grasp ...

Mathematicians rely on numbers, but finding words to explain different levels of certainty has stymied everyone from the ...

You’d be surprised how many young people can’t read this. One of its conclusions tells the sad tale. “Between 2020 and 2025, the number of students whose math skills fall below high school level has ...

UC San Diego is trying to solve a math problem. The university said a growing number of students are starting their freshman year lacking high school math proficiency. KPBS reporter Jacob Aere says ...

A TKer subscriber recently pointed out that if your investment is down 20%, then you’d need a 25% gain from the current level to return to the initial level. For example, if your investment of $100 ...

In a recent study, mathematicians from Freie Universität Berlin have demonstrated that planar tiling, or tessellation, is much more than a way to create a pretty pattern. Consisting of a surface ...

If I ever encounter device issues in Windows, say to my keyboard, printer, Bluetooth, USB, or audio playback I use the Microsoft Support Diagnostic Tool (MSDT) which can run diagnostic packs to ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...

Pope Leo XIV said his primary role as leader of the Church is confirming Catholics in their faith and sharing the Gospel with the world, not resolving global crises. Speaking to Crux senior ...