$npx -y skills add PangenomeAI/academic-skills-food-nutrition --skill pnasAuthor-guideline skill for PNAS (Proceedings of the National Academy of Sciences), a multidisciplinary journal food & nutrition researchers publish in. Use to format or check a manuscript for PNAS — structure, mandatory Significance Statement, abstract limit, PNAS numbered refere
| 1 | # PNAS — Author Guideline Skill |
| 2 | |
| 3 | **Publisher:** National Academy of Sciences · **Verified:** 2026-07 · Confirm exact limits at the PNAS author center. |
| 4 | |
| 5 | ## Aims & scope |
| 6 | Multidisciplinary — biological, physical, and social sciences; food, nutrition, |
| 7 | agriculture, microbiology, and environmental work all in scope. |
| 8 | |
| 9 | ## Format (PNAS style) |
| 10 | - **References: numbered** in order of citation (PNAS style); numbered reference list with article titles and DOIs. |
| 11 | > 1. A. B. Author, C. D. Author, Title of the article. *Proc. Natl. Acad. Sci. U.S.A.* **123**, e2412345 (2026). |
| 12 | - **Significance Statement (mandatory):** a plain-language paragraph for non-specialists, ~120 words (confirm limit). |
| 13 | - **Abstract:** ≤250 words, unstructured. |
| 14 | - **Structure:** Title → Author affiliations → Significance Statement → Abstract → Introduction → Results → Discussion → Materials and Methods → References. Research Reports/Articles have length guidance (confirm). |
| 15 | - **Mandatory:** data availability statement; author contributions; competing interest statement. |
| 16 | - **Figures:** ≥300 dpi; RGB/CMYK per policy; one/two-column widths; editable tables. |
| 17 | |
| 18 | ## Formatting constraints |
| 19 | ```yaml |
| 20 | journal: PNAS |
| 21 | publisher: National Academy of Sciences |
| 22 | reference_style: pnas-numbered |
| 23 | significance_statement: {required: true, words: 120} |
| 24 | abstract_words: 250 |
| 25 | data_availability: required |
| 26 | figure_dpi: 300 |
| 27 | ``` |