Regional Educational Laboratories "a network of ten laboratories that serve the educational needs of a designated region by providing access to high quality scientifically valid education research through applied research and development projects, studies, and other related technical assistance activities."
Ask A REL "a collaborative reference desk service provided by the ten regional educational laboratories (REL) that by design, functions much in the same way as a technical reference library. It provides references, referrals, and brief responses in the form of citations on research based education questions."
See also the archive of questions from AskERIC.