Spider Goat, Spider Goat . . . Her Milk Could Make a Bulletproof Coat

spider

Scientists inserted the silk-making gene from a golden orb spider, such as the one shown here, into a goat to produce goat’s milk that contains spider silk. (Photo credit: Christopher Meder/Getty Images)

Genetic engineering is nothing new. In fact, it’s a practice that’s literally thousands of years old. For centuries, humans have selectively bred plants and animals in an attempt to pass along desired traits. Today, however, genetic engineering has taken the practice to a new level.

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