There is no compelling evidence that crop circles are anything but man-made hoaxes or works of [[art]]. Nevertheless various alternative [[hypotheses]] have been offered to explain the formation of crop circles such as the [[paranormal]]. It has also been suggested that ball lightning and [[vortices]] in the wind might rarely produce isolated indentations in crops.[http://en.wikipedia.org/wiki/Crop_circles] | There is no compelling evidence that crop circles are anything but man-made hoaxes or works of [[art]]. Nevertheless various alternative [[hypotheses]] have been offered to explain the formation of crop circles such as the [[paranormal]]. It has also been suggested that ball lightning and [[vortices]] in the wind might rarely produce isolated indentations in crops.[http://en.wikipedia.org/wiki/Crop_circles] |