Perhaps such a transition will be increasingly adaptive. Faced with growing ecological and social crises, the current configuration of human society—atomized, slow to coordinate, prone to ...

Evolving the human nicheBoivin et al.’s (1) article profoundly deepens scientific understanding of anthropogenic global ecological change from Pleistocene to present by offering robust new evidence of ...

This is an addendum toComplex viscosity of helical and doubly helical polymeric liquids from general rigid bead-rod theory ...

Edited* by William H. Schlesinger, Cary Institute of Ecosystem Studies, Millbrook, NY, and approved April 14, 2011 (received for review January 13, 2011) Map of drilling operations and well-water ...

PNAS Terms of Access: “Proceedings of the National Academy of Sciences” and “PNAS” are registered trademarks of the National Academy of Sciences of the United ...

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Journal Club posts are short news stories featuring a recent important, timely journal article selected by one of our Journal Club panelists, who are post-doctoral associates and graduate students in ...

Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately following publication. Citation ...

We present a systematic study of the Raman spectra of optical phonons in graphene monolayers under tunable uniaxial tensile stress. Both the G and 2D bands exhibit significant red shifts. The G band ...

Edited* by Gregory P. Asner, Carnegie Institution for Science, Stanford, CA, and approved November 19, 2014 (received for review April 21, 2014) ...

Edited by Barbara J. Finlayson-Pitts, University of California, Irvine, CA, and approved December 15, 2009 (received for review October 2, 2009) The fact that nucleation takes place at sizes below the ...

We present a simple nitrogen (N) isotope model to investigate the partitioning of gaseous (fgas) vs. leaching (fleaching) pathways of N removal from the nonagricultural (i.e., unmanaged) terrestrial ...