The production, dissolution, and burial of calcium carbonate (CaCO 3) are key components of the oceanic carbon cycle, as the carbonate ion concentration of seawater controls its buffering capacity to ...

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 ...

A Biometric Study of Human Basal Metabolism 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 ...

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 ...

Proof of the Ergodic Theorem Two such sets S λ * belonging to different λ ’s are evidently distinct except for a set of measure 0. Hence there can exist only a numerable set S λ i * (i = 1, 2,) of ...

PNAS publishes peer-reviewed research in psychological and cognitive sciences, including studies on decision-making, language processing, emotional regulation, cognitive development, and more. These ...

STABLE BUNDLES AND UNITARY BUNDLES ON A COMPACT RIEMANN SURFACE ...

The PNAS Editorial Board is made up of NAS members who are active scientists and experts in their fields. On submission, your paper is assigned to an Editorial Board member in one of the 31 NAS ...

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 ...

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 ...

PNAS depends, in part, on the payment of article processing charges (APCs) to finance its operations. Papers are accepted or rejected for publication and published solely on the basis of merit. For ...

As these chemicals swirl down drains, or leach out of trash at the dump, they contaminate soil, groundwater, and, ultimately, ...