Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:scientific_research
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:duration |
32 days
|
| gptkbp:location |
gptkb:Mammoth_Cave
|
| gptkbp:method |
isolation from natural light
|
| gptkbp:notableContributor |
gptkb:Nathaniel_Kleitman
|
| gptkbp:notableFor |
circadian rhythm research
|
| gptkbp:result |
evidence for endogenous circadian rhythms
|
| gptkbp:subject |
human sleep cycles
|
| gptkbp:yearConducted |
1938
|
| gptkbp:bfsParent |
gptkb:John_Croghan
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mammoth Cave experiments
|