Darkness

https://www.wikidata.org/wiki/Q204170

Field Hierarchy

Parent
Biology 36.8M papers	Physics 33.7M papers	Optics 8.2M papers	Botany 4.4M papers
Astronomy 2.8M papers
Current
Darkness 19.2k papers
Child
Light deprivation 0 papers		Light darkness 0 papers

Trends

Notes

History