# Articles

New perspectives in symmetry

What is group theory and why is it such an exciting area of maths? Two experts explain.

R's not all you needWhen it comes to loosening COVID restrictions all eyes are usually on

*R*— but it's also important to take account of prevalence.
Joining forces to fight COVID-19

*Plus*is proud to join forces with leading epidemiologists from the JUNIPER consortium.
Maths in a minute: Cyclic groups

When things go round and round, a cyclic group may be just what you need!

Maths in a minute: Representing groups

Groups occur all over mathematics, so it makes sense to find a common language to talk about them all.

The magic of shuffling

Want to shuffle like a professional magician? Find out how to shuffle perfectly, imperfectly, and the magic behind it.

The mathematics of shuffling

A journey into the maths of card shuffling gives us a great insight into how mathematicians work.

How to (pretend to) memorise a pack of cards

Here is a neat way of using maths to pretend to memorise a pack of cards. Amaze your friends! Astound your family!

How long until it's all over?

We can't say for sure, but everything depends on how many people agree to be vaccinated.