Quote:"It is perfectly natural to ask if crop circles are hoaxes, but very difficult to explain why they cannot be hoaxes satisfactorily," remarked NASA engineer Pat Delgado. And he was right, because people cannot steam plants at right angles without damage, alter the local gravitational field, change the mineral structure of the soil, encode unknown mathematical theorems, or apply permanent electromagnetic signatures when attempting to replicate crop circles.

Eighty people have witnessed crop circles manifesting in less than fifteen seconds. Many describe a descending tube of light that rotates and bends the plants without causing any damage. These are just some of the anomalies behind the world's most important phenomenon. Leading expert and best-selling author Freddy Silva discusses these and many more topics in this fast-paced, live presentation from Contact in the Desert.

Now that you know what humans can't do, discover who can - and why