Source and license notes supplied with these plates. Plate inclusion does not add a study to the review or change its evidence rating.

SOURCES — information-theory-aging-academic (Track 2, academic)

Every raster image used in this page's academic graphics, with its source, license and attribution. PDB coordinates are public domain per wwPDB policy (https://www.wwpdb.org/about/pdb-data-use); ribbons were rendered by the Hypothesis Critic team from those coordinates.

Images kept

File	What it shows	Source paper / authors	DOI / PMCID	Figure	License	Attribution line
`nucleosome-1aoi-cc0.png`	Rendering of the Xenopus laevis nucleosome core particle (PDB 1AOI): histone octamer + 146 bp DNA	Proteopedia rendering; structure by Luger K, Mäder AW, Richmond RK, Sargent DF, Richmond TJ	— (PDB 1AOI)	—	CC0	Render of PDB 1AOI (Luger K et al.), CC0, via Wikimedia Commons
`nucleus-cardiac-fibroblasts.jpg`	Fluorescence micrograph of cardiac fibroblast nuclei (blue)	Wikimedia Commons, user “Lorenzo2697” (own work)	—	—	CC BY 4.0	Lorenzo2697, CC BY 4.0, via Wikimedia Commons
`_crop-fibroblasts.png`	Cropped detail of the fibroblast-nuclei image (derived, same license)	Derived from Lorenzo2697's image	—	—	CC BY 4.0	Derived crop · Lorenzo2697, CC BY 4.0

PDB structures rendered (public domain coordinates)

PDB	Structure	Rendered for
1AOI	Nucleosome core particle (histone octamer + DNA)	Molecular panels (nucleosome, histones colored)

Rejected candidates (not used)

Candidate	Why rejected
Heterochromatin EM stills found on Commons	Video frames or unrelated tissue; the nucleosome renders + fibroblast nuclei cover the scale range with real data