Some recent news bites:
-- Several major ecollections have been added in classics lately:
Cambridge Books Online: Classical studies [15 titles]
Oxford handbooks online: Classical Studies; search within results for "science" or other such keywords for relevant chapters
Oxford Scholarship Online: Classical Studies 334 titles so far; we also have Neuroscience, Social Work, Public Health & Epidemiology collections (and a few Law titles)
-- Dissertation Reviews continues to post dissertations in relevant categories, such as, bioethics, medical anthropology and science studies.
-- Anatomists Who Were Artists I: Reinier de Graaf, post from Becker Medical Library Archives and Rare Books