Where should one ask unusual questions that can't easily be looked up because they require broad domain knowledge? In particular, how does one identify knowledgeable people who may be willing to answer?
Current such question: Are there any cultures where hand spinning is widespread and not strongly gendered female?
In particular, how does one identify knowledgeable people who may be willing to answer?
Some university websites list members of staff who will answer questions from the press about their field. Those researchers might be receptive to questions from the public too.
(Also, reference desk librarians probably can't answer most questions with their own knowledge, but might point you to people or sources that can.)
If it's worth saying, but not worth its own post, even in Discussion, it goes here.