# Articles

How can maths help to understand the Southern Ocean, a vital component of the Earth's climate system?

PhD student Daniel Kreuter tells us about his work on the BloodCounts! project, which uses maths to make optimal use of the billions of blood tests performed every year around the globe.

How would you explain the natural numbers to an alien devoid of a number instinct? You could try Peano arithmetic...

Some diseases spread far more quickly in care homes and other settings with vulnerable people. How can maths help? And what help does maths need?

Some practical tips to help you when you need it most – when you are sitting at the keyboard, ready (or perhaps not so ready) to put your ideas on the page!

Weird and wonderful things can happen when you set a ball in motion on a billiard table — and the theory of mathematical billiards has recently seen a breakthrough.

Was vaccinating vulnerable people first a good choice? Hindsight allows us to assess this question.

This year's Abel Prize goes to Luis A. Caffarelli for a body of work on the maths of change.

Celebrate Pi Day with the stars of our podcast, *Maths on the move*!

Maths meets politics as early career mathematicians present their work at the Houses of Parliament.