Scientific websites:

NCBI Pubmed: http://www.ncbi.nlm.nih.gov/pubmed/
NCBI Home: http://www.ncbi.nlm.nih.gov/
Google scholar: http://scholar.google.com/
NIH Home:http://www.nih.gov/

Government grant opportunities: https://www.grants.gov/
NIH funding opportunities: http://grants.nih.gov/grants/oer.htm
NIH RePORTER: https://reporter.nih.gov/

Journals:

Top Journals: http://www.eigenfactor.org/
BioMed Central: http://www.biomedcentral.com/
Blood: http://bloodjournal.hematologylibrary.org/
Cell: http://www.cell.com/
Genes and Development: http://genesdev.cshlp.org/
Journal of Biological Chemistry: http://www.jbc.org/
Molecular and Cellular Biology: http://mcb.asm.org/
Nature Publishing Group: http://www.nature.com/
Nature Genetics: http://www.nature.com/ng/index.html

Nature Immunology: http://www.nature.com/ni/index.html
Nature Medicine: http://www.nature.com/nm/index.html
Nature Methods: http://www.nature.com/nmeth/index.html
New England Journal of Medicine: https://www.nejm.org/
Proceedings of the National Academy of Sciences, USA: http://www.pnas.org/
Science/AAAS Magazine: http://www.sciencemag.org/

Editing websites:

The Elements of Style: http://www.bartleby.com/141/
American Medical Writer’s Association: http://www.amwa.org/
Council of Science Editors: http://www.councilscienceeditors.org/
Medline Plus Medical Dictionary: http://www.nlm.nih.gov/medlineplus/mplusdictionary.html
Grammer Now: http://www.grammarnow.com/