Assertion: shark's source | /r/HasProperty | shark trust].
Facets:
Source sentences:
text: Because of the tapetum lucidum, a shark can see about 10 times better than a human can in dim light [source: Shark Trust].
text: And sharks have pretty advanced equipment up there -- about two-thirds of the shark's brain weight is composed of olfactory lobes [source: Shark Trust].