Have you ever had days when your study seemed to go very well, perhaps for reasons that you didn’t understand? It could that be the earth’s magnetic field was helping you.
“Rats exposed to geomagnetic fields learn mazes more quickly.”
This is from an article by B. McKay and M. Persinger, “Geophysical Variables and Behaviour: LXXXVII. Effects of synthetic and natural geomagnetic patterns on maze learning,” Perceptual and Motor Skills, 1999; 89 (3 pt 1): 1023-4.