arXiv: (pronounced "archive") A site owned by Cornell University, containing papers in the fields of physics, mathematics, statistics, electrical engineering, systems science and economics.
Semantic Scholar: A search engine using machine learning techniques help you find scientific journal articles. It is designed to highlight the most important/influential papers and to identify the connections between them.
WorldWideScience: A global science search engine, allowing the user to search national scientific databases and portals in more than 70 countries.
zbMATH: A comprehensive abstracting service in pure and applied mathematics, providing easy access to bibliographic data, reviews and abatracts from all areas of pure mathematics and its applications.
Encyclopedia of Mathematics: A graduate-level open access resource with more than 8000 entries, illuminating nearly 50,000 notions in mathematics.
Inside Science: News and current events website from the American Institute of Physics.
LinkedIn Learning: An online learning platform helping people to learn business, software, technology and creative skills to achieve personal and professional goals. Click 'sign in' > 'sign in with your organization portal' to access the whole site for free.
MathWorld: Freely-available mathematics reference resource.
PhysicsWorld: Popular news, magazine and blog site from the Institute of Physics.
European Mathematical Society: A learned society representing mathematicians throughout Europe, developing research, education and relations of mathematics to society.
European Physical Society: A non-profit organisation promoting physics and physicists in Europe through methods such as physics outreach.
Institute of Mathematics and its Applications: The Institute of Mathematics and its Applications exists to support the advancement of mathematical knowledge and its applications to promote and enhance mathematical culture in the UK.
Institute of Physics: A UK-bases scientific charity working to advance physics education, research and application. It promotes physics and brings physicists together.
International Union of Pure and Applied Physics: An international non-governmental organisation aiming to assist in the worldwide development of physics and to foster international co-operation in physics.
London Mathematical Society: The London Mathematical Society is the major UK learned society for mathematics, publishing journals and books, and organising scientific meetings and lectures.