Sporty_chalk

Girl guides, cooking, and public transport find their way into the prof's postbox this issue.

As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!

Are you a FX-82 or an FX-85 fan?

Is there life on Mars? Or anywhere else?

The maths behind Issue 02's cover

How derivatives of matrices are being used in your day-to-day lives