title: An ecological test tube.
authors.affiliation: George Mason University, Fairfax, Va.
authors.forename: H J
authors.initials: HJ
authors.lastname: Morowitz
mesh_terms: D015982:Bias; D018504:Ecological Systems, Closed; D017753:Ecosystem; D006801:Humans; D008402:Mass Media; D011287:Prejudice; D011639:Public Opinion; D012107:Research Design / Q000592:standards*