Science & Education

New here? This is not a search engine but a free catalog of verified links to original sources.

A curated set of verified external resources: universities, course platforms and academic databases. All links open in a new tab.

Universities

• MIT OpenCourseWareUSA

  Open courses, lecture notes and assignments from MIT.

• Harvard Online LearningUSA

  Open and paid online courses from Harvard University.

• Stanford OnlineUSA

  Stanford's online programmes and open courses.

• Princeton UniversityUSA

  Princeton University: materials and publications.

• Cambridge UniversityUK

  The University of Cambridge: faculties, research, resources.

• Oxford UniversityUK

  The University of Oxford: divisions and open materials.

• Yerevan State UniversityArmenia

  Yerevan State University.

• Moscow State UniversityRussia

  Lomonosov Moscow State University.

Learning platforms

• CourseraInternational

  Courses from universities and companies; many can be audited for free.

• edXInternational

  Course platform founded by MIT and Harvard.

• UdemyInternational

  Marketplace of practical skill courses.

• Khan AcademyInternational

  Free step-by-step lessons in mathematics, science and economics.

• FoxfordRussia

  Online school and exam preparation.

• Uchi.ruRussia

  Interactive learning platform for schoolchildren.

• FutureLearnUK

  Courses from British and international universities.

• BrilliantInternational

  Interactive, problem-based learning in math, logic and science.

Research and academia

• Google ScholarGlobal

  Search for scholarly publications and citations across all disciplines.

• ResearchGateGlobal

  Researcher network: publications, questions, author contacts.

• arXivGlobal

  Preprints in mathematics, physics and computer science.

• PubMedUSA

  Biomedical literature database of the U.S. National Library of Medicine.

• JSTORUSA

  Archive of scholarly journals in the humanities and social sciences.

• CyberLeninkaRussia

  The largest Russian-language open-access scientific library.

• eLibrary.ruRussia

  Russian scientific electronic library and citation index.

• National Electronic Library (NEB)Russia

  Digitised collections of Russian libraries: books, periodicals, dissertations.