Criteria (Choose left hand side if science. Choose the right hand science if voodoo science. (a) self-correcting, or not. (b) theory resists change, or changes. (c) produces fruitful spin-off investigations, or doesn’t. (d) explains its observations; uses ad hoc explanation. (e) is consistent with other fields, or is anomalous. (f) uses operational definitions, or does not. 1. Thera:P Magnetic therapy kits claims to restore the balance between the magnetic fields of human bodies and the earth. Restoration of magnetic field balance results in better circulation because the magnets used (800 gauss or 1600 times the strength of earth’s magnetic field) attracts the iron present in the hemoglobin molecule of red blood cells. [Hypothesis: Thera: P Magnets provide therapeutic relief.]