Bt: The lesson not learned

Bt: The lesson not learned

Science News reported 60-plus years ago how indiscriminate use of DDT ruined that chemical's value: Now history seems to be repeating itself with Bt

By Janet Raloff, 14:07 PM December 29, 2011

The more things change, the more they stay the same, as a Dec. 29 Associated Press report on genetically engineered corn notes.  Like déjà vu, this news story on emerging resistance to Bt toxin — a fabulously effective and popular insecticide to protect corn — brings to mind articles I encountered over the weekend while flipping through historic issues of Science News.

More than a half-century ago, our magazine chronicled, real time, the emergence of resistance to DDT, the golden child of pe...

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