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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
Going beyond conventional approaches, researchers are using carefully cultured bacterial communities to improve sewage treatment.
Image credit: Shutterstock/chekart.
What if we stopped using oil and gas as fuels and instead use them as sources of both hydrogen for fuel and carbon for useful, pervasive materials?
Nanotube image credit: Shutterstock/Gl0ck; Field image credit: Shutterstock/Evgeny Karandaev.
How a small group of researchers has taken on the painstaking and daunting task of trying to restore two of the Bay’s most important keystone species.
In the News
Relatively clean snow and ice in the Indus River Basin during the COVID-19 pandemic may have reduced meltwater in 2020, compared with the 20-year average.
Image credit: Pixabay/Abdullah_Shakoor.
Atmospheric and climate conditions could have created a cloud greenhouse effect to warm Mars and support liquid surface water.
Image credit: NASA/JPL/MSSS.
Researchers report a safety guideline to limit airborne transmission of COVID-19 that goes beyond the six-foot social distancing guideline.
Image credit: Pixabay/Matryx.
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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 structural biologist James H. Hurley
Image credit: Calin Hurley (photographer).
