New Research In
Physical Sciences
Featured Portals
Articles by Topic
Biological Sciences
Featured Portals
Articles by Topic
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
If we don’t clarify terms, we risk hampering the field, confusing the public, and possibly losing a technology that may help solve some of the world’s most intractable problems.
Image credit: Stephanie Gamez (University of California San Diego, La Jolla, CA).
We need a deliberative process that’s transparent, politically neutral, scientifically balanced, and representative of all relevant disciplines and expertise.
Image credit: Shutterstock/solarseven.
Researchers reveal key details of how the heat shock protein mechanism disassembles the α-synuclein amyloids linked to Parkinson’s disease.
Image credit: Rosenzweig lab, Weizmann Institute of Science.
In the News
Changing environmental conditions and genetic adaptations may explain how penguins radiated and expanded their geographic ranges to encompass diverse environments.
Image credit: Aurora Fernández Durán (photographer).
In the United States, mortality rates and life expectancy were worse for Blacks during nonpandemic years than for Whites during the COVID-19 pandemic, a study finds.
Image credit: Pixabay/PIRO4D.
Genetic insights could help shore up populations of a rare dog species thought to be nearly extinct in the wild.
Image credit: Anang Dianto (photographer).
Sign up for Article Alerts
Science Sessions Podcasts
David Crowder and Gengping Zhu explain how to predict the spread of the Asian giant hornet.
Featured QnAs
QnAs with Enquye Negash, Zeresenay Alemseged, and Jonathan Wynn
Top Left: Image credit: Dikka Research Project. Top Right: Image credit: Alem Abreha (photographer). Bottom: Image credit: Dikka Research Project.
