This finding documents smoke-dried mummification of the dead, mostly in tightly bound crouched postures, from archaeological ...

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Dynamical Systems of Continuous SpectraNote: 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 ...

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 ...

Open in Viewer Evolution of atmospheric CO 2 (a), methane (b), and nitrous oxide (c), and sampling intervals (d) over the past 20,000 years. The gray bar denotes the range of the preindustrial, ...

Soil warming has the potential to alter both soil and plant processes that affect carbon storage in forest ecosystems. We have quantified these effects in a large, long-term (7-y) soil-warming study ...

Edited by G. Philip Robertson, W. K. Kellogg Biological Station, Hickory Corners, MI, and accepted by the Editorial Board May 4, 2010 (received for review December 9, 2009) The second counterfactual ...

Bubbles of ancient air trapped in ice cores permit the direct reconstruction of atmospheric composition and allow us to link greenhouse gases and global climate over the last 800 ky. Here, we present ...

Wildfires are a major source of fine particulate matter (diameter <2.5 µm; PM 2.5), which is a health hazard. Since the mid-1980s, the total US area burned by wildfires has been increasing, with fires ...

Taken together, these findings suggest that a subtype of extrasynaptic GABA A receptor that contains δ subunits and gives rise to tonic (sustained) GABAergic inhibition in brain (21) is indeed an ...

Edited by Michael L. Klein, Temple University, Philadelphia, PA, and approved February 17, 2012 (received for review November 5, 2011) ...