Synthetic Communications《合成通讯》（半月刊）. Synthetic Communications is a world-leading journal publishing research exploring new methods, reagents, and other synthetic work pertaining to organic chemistry. Papers should provide enough experimental detail to aid chemists in replicating reported reactions. We publish original articles and short, focused review articles discussing topics within synthetic organic chemistry.

Synthetic Biology《合成生物学》（年刊）. Synthetic Biology is a new open access journal which covers all aspects of synthetic biology; including papers on the mathematical modelling and practical engineering in the field. This includes genetic circuit design, computational methods, genetic systems and circuit design, viral engineering, cell design and construction, assembly platforms, DNA synthesis, synthetic metagenomics, pathway construction, gene optimization, protein engineering, metabolic engineering, programmed evolution, cellular manufacturing, mathematical modelling and engineering processes.

Synthesis-STUTTGART《合成》（半月刊）. SYNTHESIS is an international, single-anonymous peer-reviewed, full-paper journal devoted to the advancement of the science of chemical synthesis. It covers all fields of organic chemistry involving synthesis, including catalysis, organometallic, medicinal, biological, and photochemistry, but also related disciplines. SYNTHESIS provides dependable research results with detailed and reliable experimental procedures and full characterization of all important new products as well as scientific primary data.

Synlett《合成有机化学快报》（一年20期）. SYNLETT is an international, single-anonymous peer-reviewed journal reporting research results and current trends in chemical synthesis in short personalized reviews and preliminary communications. It covers all fields of scientific endeavor that involve organic synthesis, including catalysis, organometallic, medicinal, biological, and photochemistry, but also related disciplines and offers the possibility to publish scientific primary data.

Symmetry-Basel《对称性》（月刊）. Symmetry (ISSN 2073-8994), an international and interdisciplinary scientific journal, publishes reviews, regular research papers and short notes. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided, so that results can be reproduced.

Symmetry, Integrability and Geometry: Methods and Applications《对称性、可积性和几何方法与应用》（一年1卷）. SIGMA is a refereed online open access journal for publication of papers in the following areas: Geometrical methods in mathematical physics; Lie theory and differential equations; Classical and quantum integrable systems; Dynamical systems and chaos; Exactly and quasi-exactly solvable models; Lie groups and algebras, representation theory; Orthogonal polynomials and special functions; Quantum algebras, quantum groups and noncommutative geometry; Supersymmetry and supergravity, strings and branes; Cosmology and quantum gravity.

Symbiosis《共栖》（一年9期）. Since 1985, Symbiosis publishes original research that contributes to the understanding of symbiotic interactions in a wide range of associations at the molecular, cellular and organismic level. Reviews and short communications on well-known or new symbioses are welcomed as are book reviews. This spectrum of papers aims to encourage and enhance interactions among researchers in this rapidly expanding field.

Sylwan（月刊）. “Sylwan”, the oldest forest scientific journal in Poland and in the world dating back to 1820, is a scientific organ of the Polish Forest Society (Polskie Towarzystwo Leśne). It plays an important educational and popularizing role, increasing the level of scientific knowledge of foresters and the whole society, regularly publishing the results of the latest research in various fields of forest sciences, including: silviculture, ecology, tree physiology, entomology, forest pathology, forest genetics and tree breeding, forest management planning, forest environmental science, forest use, inventory and management, forest policy and economics, geomatics.

Sydowia（一年1卷）. SYDOWIA publishes reports of original research relevant to fungal taxonomy, systematics, evolution, structure, development, ecology, pathology (plants, animals, humans), and biotechnological applications. Reviews are published in areas of particular interest and current importance, but authors should consult the Editor before submitting a review manuscript. The official journal language is English.

Swiss Medical Weekly《瑞士医学周刊》（月刊）.The Swiss Medical Weekly is the official scientific publication of the Swiss Society of General Internal Medicine, the Swiss Society of Infectiology, the Swiss Society of Rheumatology and the Swiss Society of Pulmonary Hypertension. Editorial quality and publication ethics are values that are uncompromisingly upheld by the editorial board. The Swiss Medical Weekly accepts for consideration original and review articles from all fields of medicine. The quality of SMW publications is guaranteed by a consistent policy of rigorous single-blind peer review. All editorial decisions are made by research-active academics.