>
bacteria secrete small iron oxide crystals and are able to use those to sense magnetic fieldsThere is preliminary evidence "that MTB in the gut are associated with grey matter volume in magnetite-rich brain regions related to orientation and navigation" [1].
> Wonder if a nearby RF emitter can cause some of them to run amok
This was explored (and dismissed) in the early noughties [2], when cell-phones-cause-cancer was enjoying a halcyon. (I think it was radiation from CRTs before that. Probably non-organic vegetables today.)
[1] https://link.springer.com/article/10.1007/s00343-021-0495-1
[2] https://pubmed.ncbi.nlm.nih.gov/15376948/