Unique and meticulous look into the crop circle movement. Too lengthy with numerous photographs to publish right here. Take the link if the topic interests you.

What A Biophysicist Says About Crop Formations

© 2011 by Linda Moulton Howe

“I have never seen such rapid changes from plant sample
to plant sample in both of the ring circles. That means the plasma
energies were so compartmentalized that wheat growing only twelve
inches from another sample was very different.”

- W. C. Levengood, Biophysicist, about 2006 wheat circles in Herington, Kansas