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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
To safely and ethically restart more of the human research portfolio, institutions must develop an explicit plan for managing human research during the pandemic.
Image credit: Carey Lumeng (University of Michigan, Ann Arbor, MI).
It's an unprecedented opportunity to leverage diverse, real-world data sources. But the need for speed shouldn’t come at the expense of methodological rigor.
Image credit: Shutterstock/keyframelab.
To boost productivity, breeders can rapidly assess which plants grow the fastest, which genes help plants thrive, and which crosses produce an optimum gene combination.
Image credit: Norbert Kirchgessner (ETH Zürich, Zürich, Switzerland).
In the News
Wild hummingbirds can perceive a variety of nonspectral colors, accessing a rich color space for foraging, communication, and mate choice.
Image credit: Noah Whiteman (University of California, Berkeley, CA).
A massive volcanic eruption in Alaska in 43 BCE coincided with the fall of the Roman Republic and the subsequent rise of the Roman empire.
Image credit: Kerry Key (Columbia University, New York, NY).
A study identifies behavioral, psychological, and social factors that could predict human mortality.
Image credit: Pixabay/AbsolutVision.
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Juliana Vianna and Rauri Bowie explain the origin and diversification of penguins.
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