Iron, sense and neurotoxicity
 

From an article by PT Cheung titled 'Iron, sense and neurotoxicity' in the Hong Kong Medical Journal

On a more general scale, the mechanisms of electromagnetic sensing are just part of a spectrum of the refined temporal and spatial senses, fundamental yet intrinsic to the wide range of 'mysterious abilities' and functions we enjoy."

http://www.hkmj.org/article_pdfs/hkm0710p412.pdf

David