The rhombitrihexagonal tiling from around 200 BC (left) and
More from Chalkdust
How to make sci-fi fans angry
Follow these simple steps to frustrate anyone who ever dreamed of using their light saber on the USS Enterprise
Review of The Element in the Room
Reviewing this week's conundrum prize... science-y stuff staring you in the face!
On the cover: dragon curves
Read more about the fire-breathing curves that appear on the cover of issue 05
Crossnumber winners, issue 04
Are you a winner?
Advent facts II
Santa's sack of scientific surprises
Top ten vote issue 04
Vote for your favourite part of a circle