[Pt.] I. Science. The miracle of monism -- What's the fuss about social constructivism? -- The inseparability of science and values -- [pt.] II. Biology. The constituents of life 1 : species, microbes, and genes -- The constituents of life 2 : organisms and systems -- Understanding contemporary genomics -- The polygenomic organism -- It is not possible to reduce biological explanations to explanations in chemistry and/or physics -- Postgenomic Darwinism -- [pt.] III. Microbes. Size doesn't matter : towards a more inclusive philosophy of biology / with Maureen A. O'Malley -- Metagenomics and biological ontology / with Maureen A. O'Malley -- Varieties of living things : life at the intersection of lineage and metabolism / with Maureen O'Malley -- Emerging sciences and new conceptions of disease : or, beyond the monogenomic differentiated cell lineage -- [pt.] IV. Humans. Against maladaptationism : or, what's wrong with evolutionary psychology -- What genes are, and why there are no 'genes for race' -- Causality and human nature in the social sciences.