Nature has evolved protein-based substances with mechanical properties that rival even the best synthetic materials. Pound for pound, spider silk is stronger and tougher than steel. But unlike steel, the natural fiber cannot be mass-produced. Today, scientists report a method in which bacteria produce spider silk and other proteins that could be useful during space missions.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2019/04/190402081527.htm
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