Why does the Earth, as well as other planets and stars, have a magnetic field?
Where do the magnetic fields of planets and stars come from?
It's a good question with a fascinating answer.
Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.
We talk to world-leading climate scientists Tim Palmer about climate and weather, the science of uncertainty, and why there needs to be a CERN for climate change.
Count down to Christmas with maths!
Amidst all the controversy of the FIFA World Cup 2022 there is also some football to be played. And where there's football, there's maths...