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Scientists mix spider DNA with goat embyros to produce special silk proteins




Goats eat weeds at the Urban Renaissance Agency condominium complex in Machida in western Tokyo on November 14, 2013.
Goats eat weeds at the Urban Renaissance Agency condominium complex in Machida in western Tokyo on November 14, 2013.
TOSHIFUMI KITAMURA/AFP/Getty Images

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Believe it or not, scientists have genetically modified goats with spider DNA to secrete spider silk in their milk. The silk is incredibly strong and is being harvested for medical uses, like replacing ligaments or making protective material with the strength of kevlar. 

Host A Martinez speaks with Cat Ferguson, science writer and contributor to Take Part about her recent article on these spider goats.