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New research discovers the twisty secret behind the narwhal's unusually straight tusk

First covered 15 hrs ago · latest take 34 mins ago. Compare how each outlet is covering it — and rate the sources you trust.

New research discovers the twisty secret behind the narwhal's unusually straight tusk
CBC News
CBC News34 mins ago
New research discovers the twisty secret behind the narwhal's unusually straight tusk
The study, published in the journal Nature Communications, explains how it's actually two opposing spirals that counteract each other and allow the tusk to grow straight.
CTV News
CTV News🏁 first to report15 hrs ago
Scientists discover how narwhals grow nature’s only straight tusk
A large international team of researchers announced they had solved a long-running mystery about narwhal tusks: how they get their uniquely spiralled yet arrow-straight form.
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