Imagine a world in which liars always lie and truth-tellers always tell the truth. Five people sit in a circle. Everybody ...

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means tabletop games quickly reappear on kitchen tables. Games provide opportunities for learning ...

Growing up on the remote island of Kastellorizo in the 1970s, Pantazis Houlis attended a small school struggling with ...

Brain teasers are an excellent way to keep your mind sharp and engage your problem-solving skills. Ranging from simple to complex, these puzzles offer a fun yet challenging way to give your brain a ...

Jeff Smith's Math Puzzle for October 23, 2026 – Pulley wheels pulling at your heartstrings The post Math Puzzle for October ...

Japan is a world puzzle superpower. Its grid logic puzzles – like Sudoku, Kakuro, KenKen and many more – are played across the world by millions every day. The country also has its own culture of ...

Terence Tao grows coins ...

A University of Huddersfield lecturer has puzzled the world. Ed Southall already had a big following for the maths posers that he posts online and publishes in book form. But his latest conundrum has ...

This problem is the result of many hours of cleaning baby bottles for two daughters. Suppose your baby uses a certain type of ...

This month, we visit a trendy (but fictional) spa with an unusual feature: hot mud beds. You lay a plastic sheet on the mud. Then you lay your body upon the sheet. Without any direct contact between ...