Coincidences are familiar to us all but what are the so-called laws of chance? From coin tossing to freak weather events, **Geoffrey Grimmett** explains how probability is at the heart of it all.

In the first of two articles, **David Henwood** discusses the vibrations that can be harnessed by musical instrument makers.

In his second article, **David Henwood** explains the role of mathematics in the design of Hi-Fi loudspeakers.

New technology has provided us with some amazing images - satellite images, medical images, even images beamed back from Mars. **Julian Stander** tells us about the increasing role of statistics in interpreting them.

**Andrew Snape**, an A-level student at the City of Stoke-on-Trent Sixth Form College, talks about his A-level studies and interests.

Find out about what it is like to work as an actuary with Watson Wyatt Partners Worldwide. There's also salary information and a careers contact point.