Magnetoreception: maybe it's all in your head
For all you magnetic personalities out there....
http://www.unc.edu/depts/geomag/PDFGeomag/2008PhysicsToday.pdf
http://www.pnas.org/content/106/2/353.full.pdf+html
http://www.unc.edu/depts/geomag/PDFGeomag/2008PhysicsToday.pdf
http://www.pnas.org/content/106/2/353.full.pdf+html