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<li>National Academy of Sciences Privacy Policy</li>
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<strong>PNAS Terms of Access:</strong> “<i>Proceedings of the National Academy of Sciences</i>” and “PNAS” are registered trademarks of the National Academy of Sciences of the United States of America (NAS).
PNAS and PNAS Online are both copyrighted © 2022 by the National Academy of Sciences.</p>
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<li>Any abuse of these policies will result in the immediate and permanent cessation of access to all PNAS servers and services and will be pursued to the fullest extent permitted under all applicable laws, treaties, and conventions.</li>
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<strong>Collection and Storage of Personally Identifiable Information:</strong> PNAS collects Personally Identifiable Information ("PII") such as subscriber name, email address, telephone number, postal address, organizational affiliation, IP address, and system usage.
This PII information is collected to help us provide subscription services, monitor usage, troubleshoot, and offer renewal information.
PNAS also separately stores, names, organizational affiliation, and email addresses for the purpose of sending news and occasional important announcements to subscribers.
PII is stored indefinitely, unless removal is requested by the user.
Subscribers can opt-out by contacting PNASsubsdept@nas.edu.</p>
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More information about how this data is stored and used is available at Atypon's Privacy Policy.</p> Warranties <p>PNAS is officially published by the NAS and, as such, is the version of record.</p>
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