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Front Matter

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Proceedings of the National Academy of Sciences (PNAS)

Table Of Contents Page, PNAS Volume 123, Number 22

View the Table of Contents for Volume 123, Issue 22 ...
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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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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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Directed interactions between electrophysiological, vascular, and fluid dynamics in the sleeping brain

Join the global community of subscribers to PNAS, the flagship journal of the US National Academy of Sciences, a mission-driven nonprofit society. PNAS is one of the world's most-cited scientific ...
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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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Quantification of global gross forest cover loss

Edited by Inez Y. Fung, University of California, Berkeley, CA, and approved March 17, 2010 (received for review November 2, 2009) ...
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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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Cooperative traits maintain bacterial niche breadth

Cooperative traits maintain bacterial niche breadth Join the global community of subscribers to PNAS, the flagship journal of the US National Academy of Sciences, a mission-driven nonprofit society.
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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 ...
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Nonlinear temperature effects indicate severe damages to U.S. crop yields under climate change

The United States produces 41% of the world's corn and 38% of the world's soybeans. These crops comprise two of the four largest sources of caloric energy produced and are thus critical for world food ...