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Count down to Christmas with maths!

Where do the magnetic fields of planets and stars come from?

- In this podcast Paul Shepherd tells us about the maths of football stadiums and why his work required him to listen to Belgian techno.
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...

Tosin uses maths to guarantee the continued production of chocolate.

3 is the second prime, not the third.

Although 1 is only divisible by itself and "1", seemingly meeting the definition of a prime, it is by convention excluded from the set of primes.

I suppose this is because of all its additional special properties. If you were to count 1 as a prime factor in a greater number, how many occurrences of it would you give this factor? An infinite number would be possible.