Today on Boston Public Radio: We opened the show by hearing from listeners about a Mass. exodus, based on a Boston Globe report that more than 100,000 residents have left the state since the start of the pandemic. Medical ethicist Art Caplan discusses the “pure blood” movement, grown out of anti-vaccine groups who say receiving blood transfusions from people who have had the COVID vaccine contaminates their body. He’s the Drs. William F and Virginia Connolly Mitty Professor and founding head of the Division of Medical Ethics at NYU School of Medicine in New York City. Jim Aloisi and Stacy Thompson joined for a transit panel to discuss slowdowns and service disruptions on the MBTA. Jim Aloisi is former transportation secretary, a member of the Transit Matters Board, and contributor to Commonwealth Magazine. Stacy Thompson is executive director of the Livable Streets. Nadia Alawa and Onur Altindag joined to discuss relief efforts for people affected by the earthquakes along the Syria/Turkey border. Nadia Alawa is the founder of NuDay Syria, which focuses on Syrian women and children. Onur Altindag is a Turkish-American economics professor who’s raising money through the Turkish Philanthropic Funds and has conducted research in Gaziantep. Jenna Schlags, director of finance and operations for Kendall Square's new makerspace The Foundry, joined with Georgia Lyman, executive director of Liars and Believers, a theatre company performing at the Foundry this week. We ended the show by hearing from listeners about the T's dysfunction.