
Easter is a Quasicrystal
Reveals the divine mathematics of a holiday

Easter is a Quasicrystal
Reveals the divine mathematics of a holiday

Pursuing Polygonal Privacy
Ian Stewart proves that good fences make good neighbors

Dots-and-Boxes for Experts
Ian Stewart reveals the secret subtleties of a children's game

Jumping Champions
Ian Stewart Leaps over the gaps between prime numbers

Spiral Slime
Ian Stewart finds mathematics in creatures great and small

Million-Dollar Minesweeper
Ian Stewart explains how a computer game can make you rich

Hex Marks the Spot
Ian Stewart shows how to make some winning connections

A Fractal Guide to Tic-Tac-Toe
Ian Stewart finds a familiar shape in unexpected places

Knotting Ventured...
Ian Stewart shows how pieces of string can illustrate the principles of symmetry

Paradox Lost
Careful analysis can untangle some logical conundrums, says Ian Stewart

Rep-Tiling the Plane
A new method makes it easy to generate intricate designs, explains Ian Stewart

Counting the Cattle of the Sun
Some problems are too big to solve by trial and error, says Ian Stewart

A Strategy for Subsets

Real and Virtual Sculptures

Impossibility Theorems

Defend the Roman Empire!

Most-Perfect Magic Squares

Cone with a Twist

Dances with Dodecahedra

Sierpinski's Ubiquitous Gasket

The Art of Elegant Tiling

Crossed Lines in the Brick Factory

A Puzzle for Pirates

Tangling with Topology