Lithium-ion batteries are a remarkable technological success story. With improving performance and plunging costs over the last decade, they have helped to transform modern life, powering cell phones, ...

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 ...

PNAS provides several article-level metrics for all articles. Click on the “Info & Metrics” tab of any PNAS article to see its Altmetric score, citation counts, and usage data, including downloads of ...

Global change is challenging plant and animal populations with novel environmental conditions, including increased atmospheric CO 2 concentrations, warmer temperatures, and altered precipitation ...

The first century BCE fall of the Roman Republic and Ptolemaic Kingdom and subsequent rise of the Roman Empire were among the most important political transitions in the history of Western ...

The PNAS editors would like to thank all the individuals who dedicated their considerable time and expertise to the journal by serving as reviewers and guest editors in 2023. Their generous ...

Culture is a powerful force that touches all aspects of human life, from health and reproduction to food and clothing technology, in every known human population around the world. Human cultural ...

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 ...

Animal-sourced foods (ASFs)—including meat, dairy, eggs, and fish—are among the most contentious topics in the broader public debates and controversies about sustainable food systems, climate change, ...

The inclination to explore across vast expanses has been a continual part of human history. In voyages across the Atlantic, or North America, one of the greatest obstacles was the availability of ...