title: Minds and gaps.
authors: Douglas
authors: D
authors: Carroll
authors: Paul
authors: P
authors: Bennett
authors: Kavita
authors: K
authors: Vedhara
mesh_terms: D017954:Africa South of the Sahara; D005075:Biological Evolution; D006304:Health Status; D006801:Humans; D007182:Income; D007360:Intelligence / Q000235:genetics; D008017:Life Expectancy