Saudi Pharmaceutical Journal - (2009-present) | King Saud University, Saudi Arabia | Elsevier.
Scanning Microscopy - Several issues that did not appear in print (1997-1999) [PDF] | Scanning Microscopy International.
Science - (1880-1926) | American Association for the Advancement of Science - AAAS.
Science and Technology of Advanced Materials ( Sci. Technol. Adv. Mater. ) - (2000-present) | Taylor and Francis.
Science and Technology of Advanced Materials: Methods - (2021-present) | Taylor and Francis.
Science of Sintering - (2002-present) | behaviour of powders and similar materials during consolidation processes; thermodynamics, kinetics and mechanism of sintering and related processes | International Institute for the Science of Sintering, Beograd, Serbia.
Science Progress - (1999, 2001-present) | review journal in science, technology and medicine | SAGE.
Science Talks - (2022-…) | interdisciplinary video journal | videos + abstracts, figures, tables, references + video transcripts | Elsevier.
Scientia Pharmaceutica - (2000-present) [PDF] | English, German | Austrian Pharmaceutical Society (Österreichische Pharmazeutische Gesellschaft, ÖPhG); MDPI.
Scientific Reports ( Sci. Rep. ) - (2011-present) | online open access journal | all areas of the natural sciences — biology, chemistry, physics and earth sciences | Nature Publishing Group.
Scientific World - (2007-present) | multidisciplinary annual journal of science and technology | Nepal.
SEIBUTSU BUTSURI KAGAKU - Articles (1951-2014) [PDF] | Japanese Electrophoresis Society.
Sensors - Articles (2001-present) | Molecular Diversity Preservation International (MDPI) .
Sensors and Actuators Reports - (2019-present) | Elsevier.
Sensors International - (2020-present) | Elsevier.
Shigen-to-Sozai - Articles (1989-2006) | Mining and Materials Processing Institute of Japan.
Small Science - (2021-present) | multidisciplinary; nanoscience and nanotechnology | Wiley.
SmartMat - (2020-present) | intelligent materials for next-generation sensor, actuator, energy harvesting, wearable device and drug delivery system, etc. | Wiley and Tianjin University.
SN Applied Sciences - (2019-present) | Springer.
Soft Matter - Issue #1 of each volume (2005-present) | free registration may be required | Royal Society of Chemistry.
Soft Nanoscience Letters ( SNL ) - (2011-2020) | nanostructured polymers, nanocomposites, physical gels, microemulsions, surface/interface modification, etc. | Scientific Research Publishing.
Solids - (2020-present) | MDPI.
Solid State Phenomena - Articles (Free: first page only) (1999-present) [PDF] | Online journal. Proceedings, research papers, e-preprints.
Songklanakarin Journal of Science and Technology - Articles (2002-present) [PDF] | interdisciplinary | Prince of Songkla University, Thailand | Thai, English.
South African Journal of Chemical Engineering (SAJCE) - (2016-present), (2000-2003, 2011-2020) | Elsevier.
Spectroscopy Europe, Spectroscopy Asia - (latest issues) | IM Publications.
SpringerPlus - (2012-2016) | all disciplines of Science | original research, case descriptions, methods, data reports, datasets | Springer.
Structure - (1995-...(1 year moving wall)) | Elsevier | biochemistry, structural biology.
Superconductivity - (2022-present) | Shanghai Jiao Tong University; Elsevier.
Supramolecular Materials - (2022-…) | Elsevier.
Surfaces - (2018-present) | MDPI.
SusMat - (2021-present) | sustainable energy and environment including but not limited to: environment friendly materials, green catalysis, clean energy, waste treatment and management | Wiley in partnership with Sichuan University.
Sustainable Environment Research - (2019-present), (2016-2018), (v.1-v.25) | Chinese Institute of Environmental Engineering | Springer.
SYNFORM - (2014-present) [PDF] | People, trends, and views in synthetic organic chemistry | Available as part of the online editions of SYNTHESIS, SYNLETT and SYNFACTS | Thieme Chemistry.
SynOpen - (2017-present) | OA journal in organic synthesis | Thieme Publishing Group.
Synthesis and Sintering - (2021-present) | mechanisms, thermodynamics, and kinetics of synthesis and sintering processes, synthesis of powder materials (metals and alloys, ceramics, polymers, intermetallics, composites, etc.).