DP Nature of Science: Articles, Book Chapters, Datasets

Offers archival and current journals, primary sources and books on the humanities, social sciences, and sciences. Extensive date coverage. Updated regularly.

"Science Online contains a wealth of proprietary book and journal articles, images and videos, topic-specific timelines, tables and charts, and diagrams that provide a thorough grounding in all areas of the science curriculum. Science Online also includes specially selected content that composes a virtual study guide for the most researched scientific disciplines, including biology, chemistry, computer science, Earth science, environmental science, marine science, space and astronomy, and physics."

"Open-access repository of electronic preprints (known as e-prints) approved for posting after moderation, but not peer review. It consists of scientific papers in the fields of mathematics, physics, astronomy, electrical engineering, computer science, quantitative biology, statistics, mathematical finance and economics, which can be accessed online."

Search for open access research content.

DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.

JURN is an index of free academic articles and books. Find information including: Arts & Humanities, Science, Biomedical, Business & Law.

"With PQDT Open, you can read the full text of open access dissertations and theses free of charge."

Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results.

Includes open access journal articles from "researchers from all areas of science, technology, medicine, the humanities and social sciences."

Dataset Search is a search engine for datasets. Using a simple keyword search, users can discover datasets hosted in thousands of repositories across the Web.

Datasets. "Explore, analyze, and share quality data. Learn more about data types, creating, and collaborating."

OWID is a "scientific online publication that focuses on large global problems such as poverty, disease, hunger, climate change, war, existential risks, and inequality. It is a project of the Global Change Data Lab, a registered charity in England and Wales,[1] and founded by Max Roser, a social historian and development economist. The research team is based at the University of Oxford." (Wikipedia)