Proceedings of the National Academy of Sciences (PNAS)

Table Of Contents Page, PNAS Volume 123, Number 22

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Front Matter

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Terrestrial ecosystem nitrogen cycling in response to field warming: Global patterns and future trends

Nitrogen cycling regulates ecosystem productivity and carbon storage, yet its global responses, mechanisms, and future trajectories under climate warming remain poorly understood. By integrating 7,941 ...
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Directed interactions between electrophysiological, vascular, and fluid dynamics in the sleeping brain

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Multivalent mRNA vaccine platform with compatible antigens conferred broad-spectrum protection against orthoebolaviruses’ exposure

This work was supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB0490000 to S.C., Y.W., C.W., E.L. and Y.Y.), the National Key Research and ...
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Wind turbine proximity and health: Longitudinal evidence from US households

Wind energy expansion is crucial for decarbonization but faces community resistance due to health concerns about turbine noise and infrasound. We combine US wind turbine data (2011–2023) with ...
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Human amplification of climate-induced greenhouse gas emissions from global small water bodies

Small water bodies (SWBs) are critical but often overlooked components of the global carbon cycle. We demonstrate that human activities, particularly agricultural nutrient loading and urbanization, ...
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Dispersal will limit ability of mammals to track climate change in the Western Hemisphere

As they have in response to past climatic changes, many species will shift their distributions in response to modern climate change. However, due to the unprecedented rapidity of projected climatic ...
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Virtual melting as a new mechanism of stress relaxation under high strain rate loading

Edited by* William A. Goddard III, California Institute of Technology, Pasadena, CA, and approved June 26, 2012 (received for review February 27, 2012) ...
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Structure and tie strengths in mobile communication networks

Electronic databases, from phone to e-mails logs, currently provide detailed records of human communication patterns, offering novel avenues to map and explore the structure of social and ...
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Superconductive sodalite-like clathrate calcium hydride at high pressures

Edited by Michael L. Klein, Temple University, Philadelphia, PA, and approved February 17, 2012 (received for review November 5, 2011) ...
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Satellite-observed photosynthetic trends across boreal North America associated with climate and fire disturbance

We analyzed trends in a time series of photosynthetic activity across boreal North America over 22 years (1981 through 2003). Nearly 15% of the region displayed significant trends, of which just over ...