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By AIPROPX Editorial Desk · Published · Updated
Everything reported about this story, gathered from 3 sources. Read the summary below, then tap any source to open that report.
New study finds that the tusks have not one but two spirals, twisting in opposite directions.
Summary indexed by AIPROPX from Ars Technica’s reporting — the full article is one click away. Open at source →
3 outlets are covering this. Resolve the ledger to read what they collectively report — the common thread, in plain terms.
Every report on this story — read the summary of each, then open any at its source. AIPROPX summarizes and links; it never reproduces the original.

New study finds that the tusks have not one but two spirals, twisting in opposite directions.
Read this report
The narwhal's impressive tusk has long been the subject of myths. In the Middle Ages, they were sold as unicorn horns believed to possess magical powers. Now, an international team of researchers led by Aarhus University has solved the mystery of how the tusk acquires its twisted structure.
Read this reportThe unicorn of the sea’s spiral tooth has long been a scientific enigma
Read this reportAn original, deterministic readout — composed only from the computed coverage facts on this page. No interpretation, no rating; figures only.
AIPROPX has consolidated 4 reports from 3 outlets into a single canonical entry on “X-rays add new twist to narwhal's spiral tusk.” Every covered outlet is based in Other.
The earliest report in this entry came from Scientific American (Aug 18, 2026, 15:00 UTC); the most recent came from Ars Technica (Aug 18, 2026, 15:00 UTC).
Comparing the wording across sources, the phrase recurring most across the coverage is “twist to narwhal spiral tusk”.
5 statements are carried by only one outlet within this set and are not echoed by the others.
Every figure above is a direct count of real published articles. AIPROPX indexes and compares the original reporting — it never rewrites, rates, or editorializes — and each publisher’s full article is always one click away.
Generated by AIPROPX from the source counts above. AIPROPX indexes and resolves coverage; the original publishers are credited and linked at origin in every report.
Coverage from 3 independent outlets across 1 region — each view opens on its own page.
AIPROPX — “X-rays add new twist to narwhal's spiral tusk” · https://www.aipropx.com/story/b971de99bd2f2b70a3d42e6aed6a144a
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