Crop Circles: From Simple Beginnings to Contested Extraterrestrial Explanations and Investigations

To the point

Crop circles have evolved from simple rings to worldwide, intricate designs, provoking explanations ranging from hoaxes by Doug and Dave to scientific claims by Nancy Talbott and William Levengood about heat-affected plant biochemistry and embedded iron, plus UFO-linked phenomena and beliefs in extraterrestrial visitation and government cover-ups.

The truth about crop circles
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The truth about crop circles

Some of you may have heard about Doug and Dave, the two elderly Englishmen who admitted having gone out in the fields of England at night, and using some