The Skeptics Guide #754 - Dec 21 2019

Live from Melbourne Australia; Your Number's Up: Hubble's Constant; News Items: Does wearing a face mask prevent disease?, Perineum Sunbathing, Redacting Animal Sex, The SCAN Scam, Horizontal Gene Transfer and Plants, Measles Update, Tracking Meteors; Australian Pseudoscience: Chiropractors, Clean Coal, and Supplementation; Science or Fiction