Submitting your Manuscript - PNAS
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Instructions for Authors - PNAS
About PNAS. PNAS has been at the forefront of scientific research for over a century. Established in 1914 as the peer reviewed journal of the National Academy of Sciences (NAS), PNAS is now one of the largest and most-cited multidisciplinary scientific journals in the world, with a global readership and more than 3,500 research articles published annually.
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Aug 28, 2024 · 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.
The echo chamber effect on social media | PNAS
Feb 23, 2021 · According to group polarization theory (), an echo chamber can act as a mechanism to reinforce an existing opinion within a group and, as a result, move the entire group toward more extreme positions.Echo chambers have been shown to exist in various forms of online media such as blogs (), forums (), and social media sites (26–28).Some studies point …
Editorial Board - PNAS
A PDF list of Editorial Board members and staff members are posted on the current issue Table of Contents; click on the [Masthead (PDF)] link in the upper right corner.
Where will climate change hit hardest? These interactive maps …
Feb 28, 2024 · For the first time in the historical record, the world has experienced a year around 1.5 °C warmer than preindustrial temperatures. The extent to which the planet warms further has big consequences for local extremes of heat, drought, and precipitation.
Cloning humans? Biological, ethical, and social considerations
Jul 20, 2015 · The hominin lineage diverged from the chimpanzee lineage 6–7 Ma, and it evolved exclusively in the African continent until the emergence of Homo erectus, somewhat before 1.8 Ma.Shortly after its emergence in tropical or subtropical Africa, H. erectus spread to other continents. Fossil remains of H. erectus (sensu lato) are known from Africa, Indonesia (Java), …
The echo chamber effect on social media | PNAS
Feb 23, 2021 · Cover image: Pictured are fungi growing on decaying wood. Combining genome analysis and systems biology with carbon isotope labeling and enzyme assays, Carlos del Cerro et al. found that the white-rot fungi Trametes versicolor and Gelatoporia subvermispora transport carbon from lignin-derived aromatic compounds into central carbon metabolism. Carbon …
PNAS
The study investigates the timing and structure of the Younger Dryas event and its underlying causes.
The spreading of misinformation online - PNAS
Jan 4, 2016 · The massive diffusion of sociotechnical systems and microblogging platforms on the World Wide Web (WWW) creates a direct path from producers to consumers of content, i.e., allows disintermediation, and changes the way users become informed, debate, and form their opinions (1–5).This disintermediated environment can foster confusion about causation, and …