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Front Matter

  • Corn rootworm
    Inner Workings: RNA-based pesticides aim to get around resistance problems
    With impressive specificity, RNAi can potentially block nucleotide sequences that are only found in a target pest and not in friendly insects or humans.
  • Image depicting Mars with an ocean.
    Inner Workings: Early Mars may have boasted a large ocean and cool climate
    It's an intriguing new hypothesis that has started to garner attention as researchers continue to debate the merits of multiple models.
  • DNA
    Opinion: Standardizing the definition of gene drive
    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.
  • Trees on a mountain side with fog
    Opinion: The perils of biodiversity conservation during a global crisis
    The pandemic and subsequent lockdown have had myriad consequences on biodiversity conservation. Here’s a way forward—a more stringent and comprehensive strategy.
  • World map with connecting lines between countries
    Opinion: To stop the next pandemic, we need to unravel the origins of COVID-19
    We need a deliberative process that’s transparent, politically neutral, scientifically balanced, and representative of all relevant disciplines and expertise.
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Newsletter

Sign up for the PNAS Highlights newsletter—the top stories in science—free to your inbox twice a month:

News Features

News Feature: Foreseeing fires
Aug 19, 2020
News Feature: Finding a vaccine for misinformation
Jul 22, 2020
News Feature: How air pollution threatens brain health
Jun 03, 2020
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Opinions

Opinion: We need to improve the welfare of life science trainees
Dec 10, 2020
Opinion: Standardizing the definition of gene drive
Nov 18, 2020
Opinion: Biodiversity conservation during a global crisis: Consequences and the way forward
Nov 11, 2020
View more

Inner Workings

Inner Workings: RNA-based pesticides aim to get around resistance problems
Dec 09, 2020
Inner Workings: Early Mars may have boasted a large ocean and cool climate
Dec 02, 2020
Inner Workings: Physicists look to a new telescope to understand neutron stars and matter at the extremes
Nov 04, 2020
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Core Concepts

Core Concept: The pandemic is prompting widespread use—and misuse—of real-world data
Oct 21, 2020
Core Concept: Nascent exascale supercomputers offer promise, present challenges
Sep 09, 2020
Core Concept: Lava tubes may be havens for ancient alien life and future human explorers
Jul 08, 2020
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Science and Culture

Science and Culture: Universities move science labs to the kitchen
Aug 12, 2020
Science and Culture: “Design fiction” skirts reality to provoke discussion and debate
May 27, 2020
Science and Culture: Researchers embrace fashion to show off science concepts
Mar 31, 2020
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Journal Club

Highlighting recently published papers selected by Academy members

Study finds clues to Alzheimer’s disease onset in the aging female brain ?

New technique builds animal brain–like spontaneity into AI

Insights into heat shock protein machinery could point to interventions for neurodegenerative disease

Smaller salamander species associated with smaller genomes

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Profiles / Retrospectives / QnAs

David Blackwell, 1919–2010: An explorer in mathematics and statistics

November 24, 2020

QnAs with Juan Carrillo

November 23, 2020

Profile of Joel D. Blum

November 23, 2020

QnAs with Enquye Negash, Zeresenay Alemseged, and Jonathan Wynn

November 16, 2020

Profile of Masayori Inouye

November 9, 2020

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Podcast

Predicting the Asian giant hornet’s spread

David Crowder and Gengping Zhu explain how to predict the spread of the Asian giant hornet.

Listen »|  Transcript »|  Subscribe »| 

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About

Since 2013, an expanded front section of PNAS has delved into the stories of science. In the left section of this page, News Features cover research trends in depth, Opinion pieces further the debate on topics of interest to scientists, Inner Workings delve into cutting-edge methods or approaches, Core Concepts are substantive explanations of timely terms, and Science and Culture articles feature intersections between research and aspects of culture. In this column, Science Session Podcasts present brief conversations on topics relevant to today's scientific community, Profiles highlight the life and work of NAS members, QnAs are conversations with PNAS authors, and Retrospectives memorialize recently deceased NAS members.

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