Exterminating the Amaranth

Amaranth, one of the oldest grains in the world, is at risk from GM technology.

Palmer amaranth (tall stalks at left) in an American soybean field. In the United States, Palmer amaranth is called "pigweed" and is considered a nuisance to be eradicated. Meanwhile, many people across the world recognize it as a valuable food source.
Photo by Flickr/unitedsoybean