The definitive chart of the best matrices

Grant applications, musical media and last-minute Olympics training are the topics readers have sent in to the professor's postbox this issue

The definitive chart of the best Chalkdust regulars

We created hot ice from scratch, a solution that remains liquid even below its freezing point!

Mathematical fashion advice for an ever-changing world

Constructing a spiderweb: in the spookiest and most horrific way possible!