title: Twice as natural.
authors.affiliation: Center for Biological Modeling, Michigan State University, East Lansing, Michigan 48824, USA.
authors.forename: R E
authors.initials: RE
authors.lastname: Lenski
mesh_terms: D000703:Analog-Digital Conversion; D016494:Computer Security; D003201:Computers; D006801:Humans; D019369:Life; D012098:Reproduction