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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
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).
Astronomers ostensibly know plenty about neutron stars. And yet, exactly what’s contained in these frequent precursors to black holes remains an open question.
Image credit: NASA’s Goddard Space Flight Center.
We need a deliberative process that’s transparent, politically neutral, scientifically balanced, and representative of all relevant disciplines and expertise.
Image credit: Shutterstock/solarseven.
In the News
A small fossil reptile related to dinosaurs and pterosaurs suggests a miniaturized origin for some of the largest animals to live on Earth.
Image credit: Alex Boersma (artist).
A 1.4-million-year-old handaxe made from hippopotamus bone expands the known technological repertoire of early human ancestors.
Image credit: Berhane Asfaw.
Ancestors of domestic cats may have existed in a commensal but not yet domesticated relationship with Neolithic farmers.
Image credit: Michał Wojenka and Magdalena Krajcarz.
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Science Sessions Podcasts
David Crowder and Gengping Zhu explain how to predict the spread of the Asian giant hornet.
Featured QnAs
QnAs with developmental psychologist Richard N. Aslin
Image credit: Patricia Aslin (photographer).
