Assertion: narwhal | /r/HasProperty | discovered
Facets:
Source sentences:
text: Healing properties were attributed to the unicorn horn, or alicorn, through the ages, with horns available for purchase at apothecaries until the 18th century, when the narwhal was discovered.
text: Some narwhals even have two tusks, so as soon as they were discovered, they became something prized and worth hunting, though currently I believe the inuits make up most of the hunters involved and they already knew about it.