On 2/15/2013 12:18 PM, Yigit Turgut wrote: > schumann resonance is a natural phenomenon caused by the geometry of the earth and the=20 ionosphere. What's that got to do with health effects on humans? --=20 */Carey Fisher/* --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .