Scientists Discover Double Spiral Structure Inside Narwhal Tusks Using X-Rays
Canadian-led research has revealed that narwhal tusks contain two opposing spiral layers, providing new insight into their strength and the biology of these mysterious Arctic whales.
Read the full story → · Latest coverage 24 Aug 2026, 9:52 am UTC
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Scientists close to unraveling narwhal tusk mystery
Scientific American Content: Global Science ↗Narwhal tusks are mathematical marvels, research shows
Popular Science ↗Double spiral inside narwhal tusks may explain strength
Phys.org ↗X-rays reveal new twist to narwhal's spiral tusk
Ars Technica Science ↗New research discovers the twisty secret behind the narwhal's unusually straight tusk
CBC Top Stories ↗Scientists Just Discovered Narwhal Tusks Are Even Stranger
Vice ↗Narwhal Tusk Double-Spiral Secret Revealed by High-Tech X-Rays
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