It's an hour on the blood that runs through your veins, and how modern medicine can supplement your supply. We'll talk to Holly Tucker about Blood Work, her book exploring the pioneering science and the political intrigue behind the world's first blood transfusions. Skepticality co-host Robynn "Swoopy" McCarthy shares her experience training as a phlebotomist. And we're joined by William Rutherford, of Telus World of Science, to tell us about Edmonton's first ever "Yuri's Night" celebration.