Assertion: polar bear's hair | /r/HasProperty | hollow
Facets:
value: albeit
type: DEGREE
value: in cross-section
type: OTHER
Source sentences:
text: Their hair is colorless and hollow, and only appears white because of the way light scatters through their fur.
text: Each hair on a polar bear is hollow, and the skin beneath its fur is black.
text: The longer guard hairs of a polar bear’s coat are hollow as well as transparent.
text: In cross-section, the hair of polar bears is hollow, while the hair of grizzlies is either solid or has small hollow regions.
text: In the hybrid male, the paw hair was solid, but the dark back hair was somewhat hollow, albeit with "smaller empty regions than found in polar bear hair".
text: Since these hairs are hollow, the Polar bears’ diet and environment can affect their colour.
text: If polar bears do not use their hollow hair shafts to harness the sun's energy, how do they survive the harsh Arctic environment?