Physics World (link to journal) -- a community website from IOP, the Institute of Physics. UK. A weekly newsletter is available: Physicsworld.com Newswire
Physics Today American Institute of Physics, College Park, MD. Daily news is available.
Chemical & Engineering News C&E News is the magazine's homepage.
American Institute of Biological Sciences (AIBS) There are news feeds and society newsletter, and BioScience Magazine.
Environmental News Network ENN An aggregator of environmental news. Plenty of ads though. 1-5 mostly high quality articles are posted daily. From "Internet Reviews" in C&RL News October 2010.