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See the free collection of PNAS coronavirus papers and learn more about our response to COVID-19.
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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.
In the News
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Plain-tailed wrens coordinate with each other to sing duets by inhibiting motor circuits in the brain.
Image credit: Melissa J. Coleman.
While humans and Eurasian jays are susceptible to illusions using fast movements, jays are more influenced by observable than expected motions.
Image credit: Elias Garcia-Pelegrin.
Minimizing building lighting at night could significantly reduce collision rates of nocturnally migrating birds.
Image credit: Ian Davies (Cornell University, Ithaca, NY).
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Science Sessions Podcasts
Hessam Azarijafari, Randy Kirchain, and Jeremy Gregoy explore how innovations in the concrete industry can reduce greenhouse gas emissions.
Image credit: Pexels/Life Of Pix.
Featured Profile
Profile of NAS member and evolutionary biologist Scott Edwards
Image credit: Scott Edwards.