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Cheryl Hayashi: The magnificence of spider silk
Cheryl Hayashi: The magnificence of spider silk
Duration: 14:28

Cheryl Hayashi studies spider silk, one of nature's most high-performance materials. Each species of spider can make up to 7 very different kinds of silk. How do they do it? Hayashi explains at the DNA level -- then shows us how this super-strong, super-flexible material can inspire.