# Welcome to Plus magazine!

Whether you are a bird hunting caterpillars or a neuron processing information, the marginal value theorem helps you maximise your bang per buck.

A new model of the formation of the Moon's crust finally explains the diversity and range of ages of rocks found on the lunar surface.

As the world prepares for COP26, the 2021 United Nations Climate Change Conference, we look at how maths can help understand the climate crisis.

Explore the maths behind machine learning and deep neural networks with this collection of short introductions and in-depth articles.

Join us as we follow Kathryn Hess on a mathematical mystery tour of the marvellous intricacy of the brain!

Can physics shed new light on understanding language? Sanjaye Ramgoolam tells us about his exciting new approach that brings together theoretical physics, mathematics and computer science.

The beautiful rose curve has an odd pattern to the number of its petals – this student and teacher team explain why...

Explore the mathematical study of symmetry with this collection of content, which includes short introductions, in-depth articles, a podcast, and some magic!

Epidemiologist Matt Keeling tells us about his work on the roadmap out of lockdown, whether the models have been too pessimistic, and what it's been like producing scientific results that carry so much weight.

There have been accusations that the modelling used to project the course of the pandemic was too pessimistic. Are they justified? We look at a comparison of one of the main models to actual data.

We've all experienced turbulence, but nobody understands it properly. Here's why and what's being done about it.

Calculus has described our world for centuries. Now fractional calculus is providing the language to describe complex systems.