X-rays reveal narwhal tusks have dual opposite spirals
A new study using X-ray imaging has revealed that narwhal tusks are more complex than previously thought, featuring not one but two spirals that twist in opposite directions. This discovery provides fresh insights into the structural composition and biological function of these remarkable tusks.
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X-rays add new twist to narwhal's spiral tusk
A new study using X-ray imaging has revealed that narwhal tusks are more complex than previously thought, featuring not one but two spirals that twist in opposite directions. This discovery provides fresh insights into the structural composition and biological function of these remarkable tusks.
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