The Mystery of Death Valley’s Sailing Stones Finally Solved to the Satisfaction of All

You have probably heard of the sailing stones - rocks which move and inscribe long tracks along a smooth valley floor seemingly without human or animal intervention.  Well, forget all that scientific gobbledegook that you have heard: there is an obvious explanation to this mystery which has been staring us in the face all this time.  Thanks to Po-Chen Chia of The University for Creative Careers all is now clear.