PNAS FAQ

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How can I get PNAS?

PNAS is available by subscription. Learn more about subscribing to PNAS and see our Subscription FAQ page.

When does PNAS publish?

PNAS articles are published online directly into an open issue on a daily basis. The date an article appears online is the publication date of record and is posted on the article page. Issues are considered complete every Tuesday. Visit the archive to view all PNAS issues.

How can I get email alerts?

Please visit our alerts page for details on free PNAS email alerts.

Is PNAS free to developing countries?

Yes, PNAS is freely and immediately available in 124 developing countries. Please see Developing Countries Initiatives.

How can I obtain a single copy of an article or a single PNAS issue?

Please visit Subscriptions FAQ.

Are back issues of PNAS available online?

Please visit Subscriptions FAQ.

Is the print edition of PNAS still available?

The print edition is not available for subscription. However, individual print-on-demand issues are available for purchase. Please visit Subscriptions FAQ.

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For the Press

I read about a PNAS article in the news, but I can’t find the article on the PNAS website. Where is it?

Some articles are mentioned in the news a few days before they are published on pnas.org. If it has been more than a week since the news article was published and the PNAS article is still not available, please email pnasnews@nas.edu for assistance.

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Submitting a Paper

What opportunities exist for publication in PNAS?

Instructions and tips are available in our For Authors section.

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Author Rights & Permissions

Where can I find more information for PNAS authors and details about author rights and permissions?

Please visit our Authors FAQ for more information.

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