Want disease-free grapes? Add a silkworm gene. How about vitamin-enhanced rice? While technology promises new ways to help feed the world, some see risks to the land and to human health.
Just what are genetically engineered foods, and who is eating them? What do we know about their benefits—and their risks? What effect might engineered plants have on the environment and on agricultural practices around the world? Can they help feed and preserve the health of the Earth's burgeoning population?