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PNAS commits to immediately and freely sharing research data and findings relevant to the novel coronavirus (COVID-19) outbreak.
See the free collection of PNAS coronavirus papers and learn more about our response to COVID-19.
See the free collection of PNAS coronavirus papers and learn more about our response to COVID-19.
Front Matter
Amid encouraging signs, researchers and activists are struggling to make progress in the face of agricultural inputs, climate change, and relentless development.
Image credit: Shutterstock/Ladinn.
Using a series of simple video games, cognitive neuroscientists showed that some norms are easier to change than others.
Image credit: Shutterstock/qwret.
Vaccination efforts must be coupled with aggressive community-based COVID point-of-care testing so that cases of asymptomatic infection are rapidly identified.
Image credit: Shutterstock/zstock.
In the News
Reduction in kelp forests altered sea otter and sea urchin behavior, restructuring mechanisms of ecosystem control.
Image credit: Michael Langhans (photographer).
SpillOver, a web application that ranks wildlife-origin viruses based on their risk of spreading to humans.
Image credit: Pixabay/dustinthewind.
Amazonian parrots imported to Atacama Desert communities were raised for colorful feathers.
Image credit: Calogero M. Santoro and José M. Capriles.
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Science Sessions Podcasts
Brad Greenwood explains how patient–physician racial concordance decreases Black infant mortality.
Featured Profile
Profile of NAS member and molecular anthropologist Mark Stoneking
Image credit: Brigitte Pakendorf (photographer).
