Education 

NotebookLM is a digital workspace designed to organize research, consolidate insights, and support clear, structured thinking across projects.

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Semantic Scholar is an AI-powered academic search engine that helps users quickly find relevant, high-quality research.

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PubMed and PubMed Central (PMC) provide free access to biomedical and life sciences research, including many full-text articles.

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BASE (Bielefeld Academic Search Engine) offers a large collection of open-access scholarly documents and academic resources.

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CORE aggregates millions of open-access research papers from universities and repositories around the world.

The Directory of Open Access Journals (DOAJ) is a curated directory of high-quality, peer-reviewed open-access journals in all fields.

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OpenAlex is a free index of research papers, authors, institutions, and concepts, useful for mapping research landscapes.

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ERIC (Education Resources Information Center) is a free database for education-related research, articles, and reports.

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arXiv is an open-access repository for research in physics, mathematics, computer science, and related fields.

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SSRN offers many freely available working papers, especially in economics and the social sciences.

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Zenodo is an open repository that hosts research papers, datasets, and project materials created by scientists and institutions.