Audio uploads of Dedham TV's "502 Conversations". Conversations with experts in their fields about science; skepticism; medicine; quackery; pseudoscience; philosophy; belief, why and how we believe; knowledge; and more. Guests have included Dr. Paul Offit; microbiologist Natalia Pasternak; Julia Sweeney; Sheldon Helms; JAMA Editor in Chief Dr. Howard Bauchner; Massimo Pigliucci; James Randi; Ray Hyman; James Alcock; Dr. Harriet Hall; and others. Full interviews also available on youtube. © 2022 Dedham TV. Unauthorized duplication, for any reason, without permission is prohibited.