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3D X-ray imaging unlocks the secrets of the narwhal's spiral tusk
Aug 20 : In the Middle Ages, narwhal tusks were sold as unicorn horns blessed with magical powers such as neutralizing poisons and curing diseases — prized possessions of monarchs and nobles worth more than their weight in gold. They provided no such powers, of course, but even today remain objects of mystery.
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channelnewsasia.com
3D X-ray imaging unlocks the secrets of the narwhal's spiral tusk
Aug 20 : In the Middle Ages, narwhal tusks were sold as unicorn horns blessed with magical powers such as neutralizing poisons and curing diseases — prized possessions of monarchs…
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thehindubusinessline.com
From unicorn horn to scientific marvel: Narwhal tusk’s double spiral decoded
Scientists have uncovered opposing spirals inside narwhal tusks that may help the teeth remain straight and resist bending and twisting.
