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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
Since start of the pandemic, depictions of the virus that causes COVID-19 have become iconic, visual touchstones for a nervous public.
Image credit: David Goodsell.
Working with members of the Deaf community to study people who don’t vocalize, researchers find that droplets from one’s own speech could contribute to infection.
Image credit: Shutterstock/insta_photos.
Researchers are far from understanding all the downstream effects on surface water, not to mention human and ecological health.
Image credit: US Geological Survey/Jonathan Stock.
In the News
Even after atmospheric microplastics settle on land or in water, they may reenter the atmosphere, a study suggests.
Image credit: Janice Brahney.
Researchers examine how highly public racial violence affects the mental health of Black individuals in the United States.
Image credit: iStock/fizkes.
A study examines how humans have reshaped terrestrial nature and suggests that restoring Indigenous peoples and local communities to positions of environmental stewardship may help conserve biodiversity.
Image credit: Erle C. Ellis.
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Science Sessions Podcasts
Mohammad Reza Alizadeh, John T. Abatzoglou, and Mojtaba Sadegh report that forest fires have been advancing upslope across the western United States in recent decades.
Featured Profile
Profile of NAS member and geologist Michael Manga.
Image credit: Margaret Gennaro (photographer).
