In iron-based superconductors, the dz2 orbital band lies deep below the Fermi energy and is conventionally excluded from the superconducting pairing process. This work overturns this view. Using a ...

Contributed by Joseph S. Francisco; received February 25, 2026; accepted May 6, 2026; reviewed by Xinlei Ge and Roy M Harrison ...

Martha Robbins arrived in the mountains of Uganda in 1998. A behavioral ecologist, she came to study a troop of gorillas in the misty forests of Bwindi Impenetrable National Park. Low-lying clouds ...

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 ...

The Democracy Index finding holds up best. Its negative direct effect on offensive VEI (we use β for SDM coefficients throughout) survives spatial adjustment in every bivariate specification (Table 1) ...

Assembling the mitochondrial ATP synthase The assembly of the mitochondrial ATP synthase is a complicated process that involves the coordinated association of mitochondrially and nuclear encoded ...

A loaf of bread and a jug of wine: The origins of the ultimate culinary pairing ...

Future drought is projected to occur under warmer temperature conditions as climate change progresses, referred to here as global-change-type drought, yet quantitative assessments of the triggers and ...

Surrounding landscapes shape species persistence in fragmented forests ...

Streptomyces use small molecules to dictate morphological development and secondary metabolism. Most of these signaling compounds are inducers derived from γ-butyrolactone (GBL)-synthesizing enzymes.

Edited by Anthony Leggett, University of Illinois at Urbana-Champaign, Urbana, IL; received October 25, 2024; accepted December 4, 2024 ...

Cooperative traits maintain bacterial niche breadth T. Müller, S. Schick, J. Beck, G. Sprenger, R. Takors, Synthetic mutualism in engineered E. coli mutant strains ...