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.

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

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

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welcome to the home of the national academies of sciences, engineering, and medicine (nasem)

we believe in strength of global idea sharing and the power of education, so we work and develop the readkong © to help people all over the world to find the answers and share the ideas they are interested in.

scilit is a comprehensive content aggregator platform for scholarly publications. it is developed and maintained by the open access publisher mdpi ag.