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PNAS commits to immediately and freely sharing research data and findings relevant to the novel coronavirus (COVID-19) outbreak.
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See the free collection of PNAS coronavirus papers and learn more about our response to COVID-19.
Front Matter
Contrary to some previous claims, recent research suggests that our solar system resides in a bright and vigorous tendril of stars called the Local Arm.
Image credit: Lucy Reading (artist).
Researchers used a video game to show that perceived inequities drive collective violence.
Image credit: Shutterstock/Dean Dietrick Jr.
Intact ecosystems have a big role in sequestering carbon. Hence, safeguarding the biosphere from further degradation is an existential challenge for humanity.
Image credit: Shutterstock/Kritskiy-ua.
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