The top story of the week is, undoubtedly, the new study from the U.K. showing that dexamethasone, the ever-present myeloma therapy, is effective in very sick patients with COVID-19 infection. But equally important this week is that we are increasingly faced with a barrage of conflicting guidance about how to stay safe during the COVID-19 pandemic. To help you process all this information, I offer a science 101 primer: how to understand information that can save your life. Read more here.