Unlike dissolved inorganic nitrogen, which is scarce in much of the tropical, subtropical, and temperate surface ocean, ...

Edited by Alexis T. Bell, University of California, Berkeley, CA, and approved May 20, 2019 (received for review March 4, 2019) While the major reason for decreased wind farm efficiency is variability ...

The Asian giant hornet (Vespa mandarinia) is native to Asia (Fig. 1 A), where it is a predator of arthropods, including honey bees (1). Attacks by V. mandarinia on beehives involve pheromone marking ...

Use of AI in the production of text through Large Language Models (LLMs) is widespread and growing, with potential applications in journalism, copywriting, academia, and other writing tasks. As such, ...

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 ...

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 ...

The Cozzarelli Prize is awarded annually to six research teams whose PNAS articles have made outstanding contributions to their field. Each team represents one of the six classes of the National ...

The Proceedings of the National Academy of Sciences (PNAS) is committed to providing an accessible experience for all users. We strive to ensure that our website and published content are accessible ...

Plastic waste causes harm to marine life and has become a major global environmental concern. The recent COVID-19 pandemic has led to an increased demand for single-use plastic, intensifying pressure ...

Most of the research papers in random graph theory concern the Erdős–Rényi model 𝒢p, in which each edge is independently chosen with probability p for some given p > 0 (see ref. 3). In such random ...

An Escherichia coli cell-free expression system is encapsulated in a phospholipid vesicle to build a cell-like bioreactor. Large unilamellar vesicles containing extracts are produced in an oil–extract ...

Institutional legitimacy is essential for democracies, yet public trust and confidence in the United States Congress are at an all-time low. A significant predictor of attitudes toward Congress is ...