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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
Eran Amichai investigates how bats know the speed of sound.
Featured Profile
Profile of NAS member and geologist Michael Manga.
Image credit: Margaret Gennaro (photographer).
