X-rays add new twist to narwhal's spiral tusk
Fading4 outlets reported this in 4 reports over 2 days
Tue, 18 August 2026peak 3 reports on Tue, 18 August 2026Thu, 20 August 2026
What it is about
El colmillo del narvalArs TechnicaPhys.orgNew AtlasHenrik BirkedalAdrian Rodriguez-PalomoPeter HeideAarhus UniversityGreenland Institute Of Natural ResourcesChalmers University Of TechnologyNature CommunicationsFranceSwedenDenmarkSwitzerlandSwissGreenland
Who published it, and when
original reportfirst to report
popsci.com
El País (Spain)
Google News - Top Stories
Channel News Asia
18 Aug, 15:00over 2 days20 Aug, 15:07
How it spread - 4 original reports
Tue, 18 August 2026
3 reports- popsci.com15:00first to report
Their single long tooth twists in opposite directions.
- El País (Spain)15:00
Un estudio descifra la alargada espiral que emerge del cráneo de estos unicornios marinos, formada por dos capas dentales que crecen en sentidos opuestos y le confieren gran resistencia
- Google News - Top Stories15:00
X-rays add new twist to narwhal's spiral tusk Ars Technica What makes a narwhal’s tusk so special? Scientists are close to unraveling the mystery scientificamerican.com Double spiral inside narwhal tusks may explain their resistance to bending Phys.org The extraordinary engineering that builds nature's only straight tusk New Atlas How the Narwhal Got Its Twisted Tusk Nautilus | Science
Thu, 20 August 2026
1 report- Channel News Asia15:07