KSQD 9-01-2021: Platelet-rich plasma therapy for osteoarthritis is especially good for knees; A clever new capsule to inject drugs in the stomach for many purposes, such as diabetes, but it is very expensive; Robot technology for search and rescue; A monoclonal antibody treatment for malaria; The classic story of the snowshoe hare vs. lynx predator-prey dynamics; Another breast cancer risk gene variant, PALB2, is explained; MATH+ and I-MASK+ protocols to treat COVID-19 are discussed -- Appropriate and inappropriate uses of Ivermectin; Using dewormer drugs against COVID-19; Breast milk proven to improve heart performance in babies, especially if premature; Newer imaging technology reveals more effects of concussion, especially cumulative concussion; Understanding solid cancer tumor physiology to figure out how to combat them