Gigantic structures in the middle of the Chinese desert have been spotted on Google Maps. One theory is that they could be grids for calibrating spy satellites. More on the mysterious structures at Gizmodo.
In the first half, registered pharmacist Ben Fuchs discussed the latest in health information and natural approaches.
In the latter half, crop circle researcher Patty Greer who has visited more than 100 unusual formations, shared some of her experiences and conclusions, as well as delved into the work of the pioneering scientist William Levengood.