I misidentified one of my photos yesterday, indicating that I thought they were chicken feet: A friend sent me to another site which showed this photo as that of weird lemons: Makes sense because in Chinatown here they would never place chicken feet next to tomatoes.  Sorry, but I did say "I think these are chicken feet." This friend also sent me this video of the  Stanford Prison Experiment , and asked if I was familiar with this study.  My answer is no, but here are the details: In 1971 Stanford psychology professor Philip Zimbardo received a grant from the U.S. Office of Naval Research to conduct a role-play simulation of a prison on campus to determine the psychological effects of prisoners and guards. You can read the  details in  Wikipedia . Planned for a period of two weeks, Zimbardo terminated the effort after six days because of some outrage and parents' concerns. In short, for decades to follow, this controversial Stanford Prison Experiment was c...