This ancient sea worm has “bio-metal” jaws unlike anything scientists have seen

Scientists are studying the unique 'bio-metal' jaws of the ancient sea worm Perinereis cultrifera to understand their hardness and composition. The research aims to define how these biological structures mimic the properties of metals like copper and silver.
Why it matters
Understanding these natural materials could lead to the development of new, high-strength synthetic biomaterials for engineering and medical applications.
Imagine playing the game "20 Questions" with the opening question: "Animal, vegetable, or mineral?"
The article is a straightforward scientific report with no political or social agenda.
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