PNAS

Marine heatwave decimates fire coral populations in the Caribbean

Marine heatwaves (MHW) are common destructive events affecting coral reefs. After decades of degradation, the shallow reefs of the United States Virgin Islands have been depleted of scleractinian ...
PNAS

Oligomycin frames a common drug-binding site in the ATP synthase

Edited by Gottfried Schatz, University of Basel, Reinach, Switzerland, and approved July 6, 2012 (received for review May 10, 2012) Based on the results presented here, we propose that in the intact ...
PNAS

Noise in solid-state nanopores

We study ionic current fluctuations in solid-state nanopores over a wide frequency range and present a complete description of the noise characteristics. At low frequencies (f ≲ 100 Hz) we observe ...
PNAS

Functional diversity in a lipidome

Functional diversity in a lipidome In their study, Schuhmacher et al. (5) use the tools of chemical biology to synthesize individual molecular species of DAG including stearyl arachidonyl DAG (SAG) as ...
PNAS

Superconductivity in the PbO-type structure α-FeSe

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PNAS

The evolutionary history of methicillin-resistant Staphylococcus aureus (MRSA)

MLST was performed as described (10). Alleles at the seven loci were assigned by comparing the sequences at each locus to those of the known alleles in the S. aureus MLST database. The allele numbers ...
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 ...
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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

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

High bacterial diversity drives the suppression of a soilborne plant disease

Contributed by James Tiedje; received April 23, 2025; accepted January 26, 2026; reviewed by Gwyn A. Beattie and Corné M. Pieterse Soilborne diseases pose a significant threat to plant health, often ...
PNAS

Adhesion and friction in gecko toe attachment and detachment

Geckos can run rapidly on walls and ceilings, requiring high friction forces (on walls) and adhesion forces (on ceilings), with typical step intervals of ≈20 ms. The rapid switching between gecko foot ...
PNAS

Increased variability of the western Pacific subtropical high under greenhouse warming

The western Pacific subtropical high (WPSH) channels moisture from the tropics that underpins the East Asian summer climate. Interannual variability of the WPSH dominates climate extremes in the ...