Dr Katie Steckles (katiesteckles.co.uk)

Maths’ Greatest Unsolved Puzzles

While mathematicians are undoubtedly brilliant, and their work is used in all kinds of amazing scientific and technological discoveries, there are still questions they can’t answer. Every mathematical question is a puzzle to be solved, and while there’ll be plenty of puzzles for you to chew on, we’ll also discuss some of the questions that still leave mathematicians stumped – from simple-sounding number and shape problems to some truly mind-bending fundamental questions.