Secrets, surveys and statistics
Paula Rowińska uses mathematics to answer some awkward questionsStriking the right chord
How big are these random shapes? Submit an answer for a chance to win a prize!Adventures in Chance-ylvania
High stakes gambling with Paula RowińskaSeeing double
Take a ball, divide it into parts, glue them back and get two identical copies of your ball!Cat among the pigeons
Some interesting observations with the pigeonhole principleSuperegg
How optimising the space around a circular monument is related to supereggs