science/aaas peer-reviewed journals deliver impactful research, daily news, expert commentary, and career resources.

proceedings of the national academy of sciences (pnas), a peer reviewed journal of the national academy of sciences (nas) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.

conference index is the right place where you can find the events for your interests or submit yours

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources, professional development, and much more.

mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

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SPIE is a non-profit dedicated to advancing the scientific research and engineering applications of optics and photonics through international conferences, education programs and publications.