I admit to communicating with you as a human being, do you carry scientific journals with you everywhere you go?
Do you not gain knowledge by communicating with individuals on your daily journeys?
You can discern information and ideas in all situations of life; anyone who has a brain can do this; it is called learning and engaging with the knowledge one is discerning at any given moment in time.
RE: Understsnding the covid-19 test results.