Narwhal tusks twist in two opposite directions
Researchers discovered the narwhal's twisted tusk contains two opposing spirals, one twisting left on the outside and one right within.
Why it mattersUnderstanding how nature builds such strong structures could inspire new composite materials for construction and medicine.
AustraliaAustralian researchers and industries studying advanced materials now have new natural blueprints for developing stronger, tougher composites for local manufacturing.
✓ Claims checked against the source and corrected before publish. checked 2 h ago
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