The Restatements and Black's are, yes. Law review articles - maybe, depending on context. Scientific understanding rarely gets encoded in the law as such, but s

The Restatements and Black's are, yes. Law review articles - maybe, depending on context. Scientific understanding rarely gets encoded in the law as such, but see Roe v. Wade as an example - the trimester-based legal framework has given legal effect to a particular understanding of fetal viability. Side-note: I don't really care that my above post has been downvoted, but it seems pretty counter-productive to the HN cultural goal of intellectual discourse for people to downvote input from actual practitioners in the field just because they don't like the answer.