Proceedings of the National Academy of Sciences (PNAS)

Boosting crops’ natural capabilities could help feed a warming world

RIPE Project/Claire Benjamin (photographer), licensed under CC BY 4.0. It seems imperative, then, that we better understand ...
Proceedings of the National Academy of Sciences (PNAS)

Table Of Contents Page, PNAS Volume 123, Number 14

View the Table of Contents for Volume 123, Issue 14 ...
PNAS

Tentacled snakes turn C-starts to their advantage and predict future prey behavior

Fish are elusive prey with a short-latency escape behavior—the C-start—initiated to either the left or right by a “race” between 2 giant Mauthner neurons in the fish brainstem. Water disturbances ...
PNAS

Marine microplastics spell big problems for future generations

The impacts of plastic ingestion in laboratory studies include gut blockage and physical injury, oxidative stress, altered feeding behavior (7, 8), and reduced energy allocation (9), with knock-on ...
PNAS

Direct observation of extension and retraction of type IV pili

Motile bacteria swim, swarm, or glide. Gliding refers to movement on a solid surface, such as glass or hard agar, without flagella, usually in the direction of the long axis of a cell (1). One form of ...
PNAS

Hamiltonian Systems and Transformation in Hilbert Space

Hamiltonian Systems and Transformation in Hilbert Space 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 ...
PNAS

The Structure of Cyameluric Acid, Hydromelonic Acid and Related Substances

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

Microbial metabolite oxindole curbs acute lung injury by suppressing CXCL13

Edited by Ashley Steed, Washington University in St. Louis School of Medicine, St. Louis, MO; received July 20, 2025; accepted January 28, 2026 by Editorial Board Member Michael S. Diamond ...
PNAS

Policy distortions, farm size, and the overuse of agricultural chemicals in China

Overuse of agricultural chemicals has resulted in enormous damages to environmental quality and human health in China. Reducing the use of agricultural chemicals to an optimal level is a crucial ...
PNAS

THE MAINTENANCE OF THE ACCURACY OF PROTEIN SYNTHESIS AND ITS RELEVANCE TO AGEING

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

PNAS Policy on Crossmark

CrossMark is a multipublisher initiative by the CrossRef Organization to provide a standard way for readers to locate the authoritative version of a document. By applying the CrossMark logo, PNAS is ...
PNAS

Stable neuron numbers from cradle to grave

Bhardwaj et al. (3) address this key issue for the human cortex using two approaches to determine whether there is (i) continuous production of a long-lived population of new neurons over the lifespan ...