Publication

Alex Bellos's puzzles

1 Round the block Assuming all corners are right angles, what is the shape’s perimeter? 2 Assembly needed Ian Stewart The first shape below can be cut into four identical pieces four blocks long and one wide, which can be fitted back together to...

TOAST TOPPERS

Ella Risbridger elevates a simple bit of toast using just three elements —

World Cup 2026

Feast

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