Hard but lightweight ‘bio-metal’ material discovered in sea worm jaws

Hard but lightweight ‘bio-metal’ material discovered in sea worm jaws. Marine bristle worms have jaws made from a mix of proteins and metal ions that may constitute a whole new kind of material, with possible applications in engineering

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Trechos de apoio da pauta: The marine ragworm Perinereis cultriferaSteve Trewhella / Alamy The jaws of some sea worms are made of an exceptionally hard yet lightweight material dubbed a “bio-metal” that could have applications in engineering. Perinereis cultrifera is a type of ragworm with a long body adorned with bristles.

• Ponto de atenção: hard.
• Ponto de atenção: lightweight.
• Ponto de atenção: metal.

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