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New home for NIH Extramural Nexus content!
We plan on refreshing and rereleasing our older, popular content and migrating historical blog posts over the next few months. To access past posts in the meantime, please explore the archive.
We plan on refreshing and rereleasing our older, popular content and migrating historical blog posts over the next few months. To access past posts in the meantime, please explore the archive.
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2026
Learn Your Letters (of Reference or Support)
Get an overview of reference letters and letters of support: when to use them, who writes them, and what key information you should include for reviewers and NIH staff.
2025
Updated NIH Fellowship Resources Are Available
The complete Focus on Fellowships video series has been updated to include parts 3 and 4. As a reminder, NIH fellowships are open to early career scientists, including those at the predoctoral and postdoctoral level.