Edited by Jon Abbatt, University of Toronto, Toronto, ON, Canada; received August 18, 2024; accepted November 4, 2024 by Editorial Board Member Akkihebbal R. Ravishankara ...

The high emissions intensity of terrestrial animal source food (TASF) and projected increasing demand in low- and middle-income countries (LMIC) have spurred interest in the development of animal-free ...

Environmental damage from insecticide overuse is a major concern, particularly for conservation of “good” insects such as pollinators that ensure stable production of food crops like fruits and ...

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A vibrant discussion of the merits and limitations of animal models is long overdue. The limitation of space precludes addressing many of the questionable approaches and statements by Takao and ...

Intercepting a moving object requires prediction of its future location. This complex task has been solved by dragonflies, who intercept their prey in midair with a 95% success rate. In this study, we ...

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This is an addendum toComplex viscosity of helical and doubly helical polymeric liquids from general rigid bead-rod theory ...

Special Features in PNAS are carefully curated collections of articles that delve into important topics relevant to PNAS readers and often embrace interdisciplinary approaches on emerging issues or ...

Giraffes congregate at the Copenhagen Zoo. The culling of a giraffe named Marius at this zoo in 2014 sparked a debate about the practice of euthanizing surplus animals at zoos. We argue that such ...

Controlling topological defects in 3D liquid crystal phases is a crucial element in the development of novel devices, from blue-phase displays to passive biochemical sensors. However, it remains ...