Remember the graph paper you used at school, the kind that’s covered with tiny squares? It’s the perfect illustration of what mathematicians call a “periodic tiling of space”, with shapes covering an ...

The world around us is full of repeating patterns. From the frequency of music notes to the appearance of a snowflake, they come in many shapes and sizes. But today we're sticking with squares and ...

Long before anyone wrote down a number, early villagers were painting flowers with a precision that looks suspiciously like ...