Roadside Biotech

The canola plant is a biotech crop that is also becoming a weed — and one that may be resistant to common herbicides, reports the New York Times' Green blog. A graduate student at the University of Arkansas, Meredith Schafer, sampled canola plants growing along 3,000 miles of roads in North Dakota and found that about 80 percent of them were genetically engineered: some were Roundup Ready, others Liberty Link, and two were resistant to both.

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