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.).