 In "Daubert v. Merrell Dow Pharmaceuticals", 509 U.S. 579 (1993), the United States Supreme Court held that the Federal Rules of Evidence superseded "Frye" as the standard for admissibility of expert evidence in federal courts.Some states, however, still adhere to the "Frye" standard.This standard comes from "Frye v. United States", 293 F. 1013 (D.C. Cir.