A case-study of the interaction between philosophical context and observational data in the practice of Science.

During the eighteenth century, the specter of atheism was a major concern among many intellectuals in Europe. Many of the leading figures of the period such as François-Marie Arouet de Voltaire refuted atheism at every turn. These debates centered on living organisms, particularly questions about generation. Efforts to explain the process of generation raised biological, religious, and political questions. One popular theory put forward to address the question of generation was preformation, the belief that “germs” had been in existence since (...) God created the world. This chapter first discusses the rise of preformationist thinking in the late seventeenth century before turning to the biological evidence that challenged preexistence in the mid-eighteenth century and analyzing the reaction it triggered among the preformationists. It also examines the work of Voltaire and Denis Diderot to illustrate how the generation debates are linked to the materialism question. The chapter concludes by showing how these controversies about nature and biology became entangled with politics in eighteenth-century France. (shrink)

The Oxford University Studies in the Enlightenment series, previously known as SVEC (Studies on Voltaire and the Eighteenth Century), has published over 500 peer-reviewed scholarly volumes since 1955 as part of the Voltaire Foundation at the University of Oxford. International in focus, Oxford University Studies in the Enlightenment volumes cover wide-ranging aspects of the eighteenth century and the Enlightenment, from gender studies to political theory, and from economics to visual arts and music, and are published in English or French.

We present a one per cent measurement of the cosmic distance scale from the detections of the baryon acoustic oscillations in the clustering of galaxies from the Baryon Oscillation Spectroscopic Survey, which is part of the Sloan Digital Sky Survey III. Our results come from the Data Release 11 sample, containing nearly one million galaxies and covering approximately 8500 square degrees and the redshift range 0.2 < z < 0.7. We also compare these results with those from the publicly released (...) DR9 and DR10 samples. Assuming a concordance Λ cold dark matter cosmological model, the DR11 sample covers a volume of 13 Gpc3 and is the largest region of the Universe ever surveyed at this density. We measure the correlation function and power spectrum, including density-field reconstruction of the BAO feature. The acoustic features are detected at a significance of over 7σ in both the correlation function and power spectrum. Fitting for the position of the acoustic features measures the distance relative to the sound horizon at the drag epoch, rd, which has a value of rd,fid = 149.28 Mpc in our fiducial cosmology. We find DV = at z = 0.32 and DV = at z = 0.57. At 1.0 per cent, this latter measure is the most precise distance constraint ever obtained from a galaxy survey. Separating the clustering along and transverse to the line of sight yields measurements at z = 0.57 of DA = and H =. Our measurements of the distance scale are in good agreement with previous BAO measurements and with the predictions from cosmic microwave background data for a spatially flat CDM model with a cosmological constant. © 2014 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society. (shrink)

This study examines how low-income African American mothers of children with sickle cell disease cope with the reproductive implications of having passed a genetic disease on to their children. Based on in-depth interviews with 29 African American mothers, I found that most mothers knew about SCD prior to having a child with the disease; many knew they were carriers of the sickle cell trait. In explaining why this knowledge did not lead them to alter their reproductive behaviors, mothers invoked a (...) theme of medical mismanagement; that is, they said the genetic screening programs for SCD did not provide them with enough medical knowledge about the disease. The implication that adequate knowledge about SCD would have affected their childbearing choices, however, is contradicted by their subsequent reproductive behaviors. I argue that the SCD diagnosis threatened motherhood, an important cultural value among low-income African American women, and that they protected their reproductive autonomy by obfuscating SCD medical knowledge. (shrink)

This book presents the psychological basis, methodology, and application of Marton's phenomenographic approach to the theory of learning.