Expo Radio Episodes 3 and 4: Dr. Dilip Kumar Roy Dr. Dilip Kumar Roy, a physician practicing in Calcutta, India, also has another interest: palmistry. In this two part Expo Radio Dr. Roy explains how he learned the basics of palmistry from his father, and ponders whether there is a scientific basis for this ancient art. Hosted by Deb Roy. Part I .au (6 Mb), .gsm (1 Mb), .ra (700 Kb) Part II .au (6 Mb), .gsm (1 Mb), .ra (730 Kb) For help on audio formats, press here. Expo Radio is a production of Becknell and Lucas, the team that brought you such classics as What To Listen for in Music and What is Jazz?