Assertion: soft tissue | /r/HasProperty | preserved by iron
Facets:
value: in the dinosaur’s body
type: LOCATION
Source sentences:
text: However, Mary Schweitzer, a molecular paleontologist at North Carolina State University, who headed up the research on the T. rex remains, explained that the soft tissue was able to be preserved by iron in the dinosaur’s body, which preserved the tissue before it could decay.