Silkworms have been engineered to produce a more durable silk by augmenting them with properties from spiders. The applications of the transgenic silk include textiles, sutures and wound healing, and even new bulletproof materials.
(HT Christina)
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See also a recent paper on the miraculous spidersilk produced by “Darwin’s bark spider”, Agnarsson et al. 2010. Bioprospecting finds the toughest biological material: extraordinary silk from a giant riverine orb spider. PLoS One 5 e11234 doi:10.1371/journal.pone.0011234
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