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SCIENCE IN THE NEWS DAILY

Genetically Modified Crops' Results Raise Concern

from the San Francisco Chronicle

Washington -- Biotechnology's promise to feed the world did not anticipate "Trojan corn," "super weeds" and the disappearance of monarch butterflies.

But in the Midwest and South--blanketed by more than 170 million acres of genetically engineered corn, soybeans and cotton--an experiment begun in 1996 with approval of the first commercial genetically modified organisms is producing questionable results.

Those results include vast increases in herbicide use that have created impervious weeds now infesting millions of acres of cropland, while decimating other plants, such as milkweeds that sustain the monarch butterflies. Food manufacturers are worried that a new corn made for ethanol could damage an array of packaged food on supermarket shelves.

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Latest Multimedia

VIDEO: The Promise and Peril of Drones

CummingsDrones

The automation of tasks at work and at home is just around the corner, including driving cars, piloting planes, delivering packages, and transporting weapons. Unmanned aerial vehicles are rapidly evolving to meet both society’s and the military’s needs in automation and better efficiency.
During her time as one of the first female fighter pilots in the US Navy, Dr. Missy Cummings observed that computers could take off and land a plane more precisely than humans. Because of this breakthrough and her fascination with this growing technology, she began human–drone interaction research.

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