Interview with John Rennie; This Day in Skepticism: Groundhog Day; News Items: Up Goer Five, China Smog, Vaccine Court, Deer Antler Spray; Who's That Noisy; Your Questions and E-mails: Perpetual Motion; Science or Fiction
Interview with John Rennie; This Day in Skepticism: Groundhog Day; News Items: Up Goer Five, China Smog, Vaccine Court, Deer Antler Spray; Who's That Noisy; Your Questions and E-mails: Perpetual Motion; Science or Fiction