Sciences (Open Access Resources)

arXiv is an e-print service in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance and statistics
Analytical Chemistry Insights
Analytical Chemistry Insights is an international, peer-reviewed, open access journal focusing on analytical methodology, techniques, and instruments in the fundamental and applied areas of chemistry.
The Arabian Journal of Chemistry
The Arabian Journal of Chemistry publishes original papers, reviews and short reports on, but not limited to: inorganic, physical, organic, analytical and biochemistry.
Chemistry Open
Articles in General and Introductory Chemistry
Mathematical Communications
Mathematical Communications is an international journal publishing original scientific papers and invited survey articles from all fields of pure and applied mathematics.
New Journal of Physics
Is co-owned by the Institute of Physics and Deutsche Physikalische Gesellschaft, and is supported by a growing number of physical societies around the world.
Journal of Mathematics and fundamental Sciences
Journal of Mathematical and Fundamental Sciences welcomes full research articles in the area of Mathematics and Natural Sciences .
Discrete Mathematics and Theoritical Computer Science
DMTCS is a high standard peer-reviewed electronic journal devoted to rapid publication of innovative research which covers the fields of Discrete Mathematics and Theoretical Computer Science and puts a certain emphasis on the intersection of these two fields.
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics (ACP) is an international scientific journal dedicated to the publication and public discussion of high-quality studies investigating the Earth’s atmosphere and the underlying chemical and physical processes
Open Biology
A fast, open access journal publishing high impact biology at the molecular and cellular level
Aquatic Biology (Online)
IJAB publishes original research articles, high quality reviews and technical notes/short communication covering all aspects of biology of organisms living in marine and fresh waters.
BMC Cell Biology
BMC Cell Biology is an open access, peer-reviewed journal that considers articles on all aspects of the biology of cells, including organelles and cellular compartments…
Mathematical Physics Electronic Journal 
This mathematics journal aims to publish high quality papers in mathematical physics and related areas.
Frontiers in Microbiology
Frontiers in Microbiology is a leading journal in its field, publishing rigorously peer-reviewed research across the entire spectrum of microbiology.
Physics and Philosophy
Read this new open access journal from Dortmund University of Technology to read about the laws of physics, philosophy, and more.
Electronic Journal of Biotechnology 
This is an international scientific electronic journal which publishes papers from all areas related to Biotechnology. Coverage ranges from molecular biology and the chemistry of biological process to aquatic and earth environmental aspects, as well as computational applications, policy and ethical issues directly related to Biotechnology.
Leading electronic archive for self-archive papers in any area of psychology, neuroscience, and linguistics, and areas of computer science, philosophy, biology, the physical, social and mathematical sciences that are pertinent to the study of cognition.
Journal of Biological Engineering
This journal publishes articles on biological engineering.
EPA – Environmental Protection Agency 
Access to scientific information that may be useful in understanding and protecting the environment including access to research publications and technical documents, test methods, data, software, models, and other scientific tools plus access to laboratories, research centres, and other EPA scientific organizations.