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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
By borrowing the machinery of life from broken cells, researchers are producing novel proteins, cheap lab reagents, and just-add-water vaccines.
Image credit: Dave Cutler (artist).
A perspective argues that greater recognition of environmental crises via social networks could drive changes in social norms to benefit people and ecosystems.
Image credit: Shutterstock/oneinchpunch.
Current policy responses entail a counterproductive integration of public health and law enforcement that creates new forms of surveillance and criminalization.
Image credit: Shutterstock/Kimberly Boyles.
In the News
Lead from historical gasoline use continues to affect air quality in urban London almost 20 years after its phase-out.
Image credit: Eléonore Resongles and Volker Dietze.
Winter rainfall in sub-Saharan Africa limits the size of painted lady butterfly migrations to Europe in the spring.
Image credit: Oriol Massana Valeriano (photographer).
Many languages in which unique medicinal knowledge exists are at risk of extinction, and indigenous language loss may result in lost medicinal knowledge.
Image credit: Pixabay.
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Science Sessions Podcasts
Rodrigo Cámara-Leret explains the impact of indigenous language extinction on medicinal plant knowledge.
Image credit: Pixabay/DEZALB.
Featured Profile
Profile of NAS member and biologist John R. Speakman
Image credit: Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences.