This webliography identifies digital collections related to science and technology as identified by the librarian and also highlights some of those covered in D-Lib Magazine in the "Featured Collections" portion of their publication. D-Lib Magazine is a digital magazine funded by The Corporation for National Research Initiatives (CNRI) and formerly by a grant from US Defense Advanced Research Projects Agency (DARPA) and the National Science Foundation (NSF).
These resources are appropriate for investigation into an area, educational tools for teachers, and general interest and investigation into STEM subjects.