New posts in Publishability

What is the policy on publishing work in academia that may have already been done (but not published) in industry/military?

When should one recommend rejection of a manuscript versus major revisions?

Loss of novelty while under review

How can I efficiently check the originality of my work?

Are results that are derived simply by using more computational power publishable?

Where can/should I, as a high schooler, publish a paper regarding the derivation of a formula?

Is combinatorial novelty without insight useful? Who cares if we're the first to use tool T on problem P?

Why isn't implementing scientific libraries in software considered equivalent to a publication?

Citing Mathematical Proofs given on Math Stack Exchange

Will mathematics journals accept a non-novel theorem, but with different approach