Proceedings of the National Academy of Sciences
Articles in this Issue
Evidence for domain-general arousal from semantic and neuroimaging meta-analyses reconciles opposing views on arousal
Arousal refers to changes in brain-body state underpinning motivated behavior but lacks a proper definition and taxonomy. Neuroscience and psychology textbooks offer surprisingly different views on wh...
Simulating atmospheric freezing of single aqueous droplets to ice in a cryogenically cooled ultrasonic levitator
Atmospheric freezing of water droplets suspended in air followed by cloud formation and precipitation represent fundamental steps of the terrestrial water cycle. These aqueous droplets exhibit distinc...
Broad-spectrum tolerance to disinfectant-mediated bacterial killing due to mutation of the PheS aminoacyl tRNA synthetase
Disinfectants are essential tools for controlling infectious diseases and maintaining sterile conditions in many medical and food-industry settings. Recent work revealed that a deficiency in the carbo...
Global natural history infrastructure requires international solidarity, support, and investment in local capacity
Amid global challenges like climate change, extinctions, and disease epidemics, science and society require nuanced, international solutions that are grounded in robust, interdisciplinary perspectives...