"Transduction of the Geomagnetic Field as Evidenced from Alpha-band Activity in the Human Brain": https://www.biorxiv.org/content/biorxiv/early/2018/10/20/448449.full.pdf Supported by DARPA's "RadioBio" program ( https://www.darpa.mil/news-events/2017-02-07) which is finally letting the "electromagnetism in biological systems" cat out of the bag. #NeuroScience
