Digital collection from NOAA's National Marine Sanctuary Program including photos, correspondence, logbooks, statistics, sampling inventories & other historical research records from the US Fish Commission (Late 19th/early 20th century)
Collection of databases on hazardous chemicals, toxic releases, and environmental health
Entrez, the life sciences search engine, searches across multiple health sciences databases at the National Center for Biotechnology Information. Retrieves related sequences, structures & references.
Single search interface to > 2,500 journals, books & reference works in life, physical, medical, technical and social sciences.
Molecular techniques and protocols -- online version of the book.
1982+ Papers and poster sessions presented at major international scientific meetings.
Darwin Online provides access to Darwin's complete publications, many handwritten manuscripts and private papers and the largest Darwin bibliography and manuscript catalogue ever published.
This site is the work of the Darwin Correspondence Project. It contains basic descriptions of more than 15,000 letters known to have been written by or to Charles Darwin, and the complete texts of around half of those.
Digital reference library specializing in the biomedical and life sciences compiled by the members of the BioInformation Science Consortium
1998+ Abstracts with links to full text for 82 high-impact bioscience journals from 66 publishers.