CAL Digests - Digests of educational research, originally compiled by the ERIC Clearinghouse and now distributed by the Center for Applied Linguistics.
Foreign Language Study and the Human Brain - Provides abundant resources relating neuroscience to the practical problems of second language learning. [English, Spanish]
The Future of the Profession - A discussion paper by Denis Cunningham on the problems facing language teaching today. [PDF]
A Hotlist of FLES Resources - Extensive links to online resources for elementary-school foreign language teachers.
Languages Other Than English - A variety of professional development resources for LOTE teachers, from the Tasmania Department of Education.