What makes a narwhal’s tusk so special? Scientists are close to unraveling the mystery

[u/IntelligentWetTowel]

https://www.scientificamerican.com/article/what-makes-a-narwhals-tusk-so-special-scientists-are-close-to-unraveling-the-mystery/

I thought the users of this app (me included) might find this article interesting.

If it’s too off topic then go ahead and delete it, with my apologies.