@freemo What is their criteria? Them: "I can't see them with my eyes..." Me: "Well, you can't see oxygen either, but here you are taking too much of it."
@nyetoots They basically claimed that no one has ever proven that viruses are real, he then stated some crackpot doctor who claimed viruses were a hoax.. then he asserted to accuse me to calling biologists liars by claiming viruses really exist.
It's times like those that I start regretting even saying something. I grow weary of teaching high school science to people that should know better.