Proceedings of the National Academy of Sciences (PNAS)

Behavioral evidence for two-stage sleep in spiders

Sleep is a fundamental behavioral state found across the animal kingdom, yet most of what we know about sleep is heavily ...
Proceedings of the National Academy of Sciences (PNAS)

Catalytic reactive-hydrogen membranes for rapid capture and hydrodefluorination of six PFAS of regulatory concern

Per- and polyfluoroalkyl substances (PFAS) persist in aquatic environments due to their ultrastable C–F bonds and poor susceptibility to ...
Proceedings of the National Academy of Sciences (PNAS)

Isotopic evidence of dissolved organic nitrogen production and consumption in ocean surface waters

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

Wind farm power optimization through wake steering

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 ...
PNAS

Assessing the ecological niche and invasion potential of the Asian giant hornet

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 ...
PNAS

Journal Club

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 ...
PNAS

PNAS Nexus

The Proceedings of the National Academy of Sciences (PNAS) and its open access sibling journal PNAS Nexus are both nonprofit mission-driven journals published by the National Academy of Sciences (NAS) ...
PNAS

A CHANGE FROM NONSENSE TO SENSE IN THE GENETIC CODE

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

Large language models show human-like content biases in transmission chain experiments

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, ...
PNAS

Cozzarelli Prize

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 ...
PNAS

Semidwarf ( sd-1 ), “green revolution” rice, contains a defective gibberellin 20-oxidase gene

Kyeema and Doongara plants were grown at 29°C day/22°C night temperatures during the summer season in a phytotron glasshouse. Stem material was harvested when the top internode of the stem had reached ...
PNAS

Daytime eating prevents mood vulnerability in night work

Open in Viewer Experimental protocol (A and B), meal timing effects on depression-like mood (C and D) and on anxiety-like mood (E and F), and the association of depression-like mood (G) and of anxiety ...