Scientists explain Magnetic Pole wandering...

[The Nr Fairy]

Tangential to aviation, but an interesting article on why the magnetic pole moves...

https://www.bbc.co.uk/news/science-environment-52550973

[Pugilistic Animus]

Interesting! Totally new to me

[pattern_is_full]

I'd always assumed it had something to do with the "molten electric coil" squirming around - so I was half-right (which makes me a half-wit, I guess). Good to see the experts have done a deeper (hah!) analysis and enhanced understanding.