title: Are we getting smarter?
authors.forename: S
authors.initials: S
authors.lastname: Begley
mesh_terms: D005826:Genetics, Medical / Q000639:trends; D006801:Humans; D007360:Intelligence / Q000145:classification / Q000235:genetics*; D012054:Reinforcement, Psychology; D012931:Social Environment; D014481:United States