Narwhals Sport Iconic Straight, Spiraled Tusks. Scientists Just Uncovered Some of the Eye-Catching Feature’s Structural Secrets
https://www.smithsonianmag.com/smart-news/narwhals-sport-iconic-straight-spiraled-tusks-scientists-just-uncovered-some-of-the-eye-catching-features-structural-secrets-180989368/?utm_source=flipboard&utm_medium=activitypub

Posted into Smartnews @smartnews-Smithsonianmag