Transgenic silkworms produced fibers as strong as spider silk that could be used in biomedical and surgical applications, according to scientists from the University of Wyoming, Laramie; Zhejiang University in China; and the University of Notre Dame in Illinois' Eck Institute for Global Health. The material can be used for sutures and has potential for wound dressings, microcapsules and artificial ligaments, tendons and tissue scaffolds. Spider silk is stronger than silk from silkworms, but it can't be farmed because spiders are territorial and cannibalistic.

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