The Virtual Laboratory http://vlp.mpiwg-berlin.mpg.de/
A platform where historians publish and discuss their research on experimentation in the life sciences, art, and technology. Managed by the Max Planck Institute for the History of Science.
Who Named It? http://www.whonamedit.com/
A biographical dictionary of medical eponyms, i.e. medical conditions and techniques and the people for whom they are named.