Narwhals Have Stunning Spiraled Tusks. That’s Not the Only Twist.

August 28, 2026 · 4:50 pm 1 sources

Image: The New York Times

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• Narwhals Have Stunning Spiraled Tusks. That’s Not the Only Twist.
  The New York Times · August 28, 2026 16:50
  X-rays revealed that the tusks have an internal opposing twist, which may help explain how they grow so straight — the only tusks like them in nature.