a_year_in_numbers - Chalkdust

Calum is a lecturer in physics at Edge Hill University where he studies topological solitons and enjoys talking about maths and physics to anyone who will listen. He can often be found on the side of a mountain or out on a bike, talking to himself about solitons.

Oπnions: In defence of toy models
Calum gets on his soap box about toy models
Cryptic wordsearch, Issue 19
Can you solve it?
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
A day in the life: universities
We talk to four mathematicians at different stages of their careers
7 ways to tell if a number is divisible by 7
Łukasz takes us on a tour through a surprisingly diverse range of algorithms to test for divisibility by 7
Florence Nightingale, statistician
What is the real story behind the lady with the lamp?