14 BEITRÄGE
PNAS is one of the world's most-cited and comprehensive multidisciplinary scientific journals, publishing more than 3,500 research papers annually. As the flagship peer-reviewed journal of the National Academy of Sciences (NAS), PNAS serves as an authoritative source of high-impact, original research that spans the biological, physical, and social sciences, with global reach and open submission to researchers worldwide.
Differences in physiological tolerance to global warming caused the Permian–Triassic transition between the Paleozoic and Modern faunas
The well-established faunal turnover event between the Paleozoic fauna (e.g., brachiopods, crinoids) and the Modern fauna (e.g., clams, snails, urchins) coincided with intense global...
The emergence of human influence on the ozone layer by the 1960s
This paper examines the earliest emergence of human-caused ozone depletion: the when, the where, and the why. We employ a thought-experiment framework aimed at...
Competing models of hominin body size evolution
Proceedings of the National Academy of Sciences, Volume 123, Issue 27, July 2026.
Despite its central role in hominin evolution, there is little consensus on...
Deuterated water and the formation of the satellites of Uranus
While the nearly perpendicular tilt of Uranus’s spin axis could have been caused by a giant impact, the origin of the satellites’ similarly tilted...
Allopatric coevolution: Migratory predators may facilitate mimicry between geographically nonoverlapping species
When predators associate a signal with unprofitability and avoid attacking the species displaying it, it often becomes beneficial for other species to display the...
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