The Trouble With the Genetically Modified Future

With GMOs, there's no way of knowing how bad the worst-case scenario could be.

The seeds of destruction?

Photographer: Olivier Morin/AFP/Getty Images

Like many people, I've long wondered about the safety of genetically modified organisms. They've become so ubiquitous that they account for about 80 percent of the corn grown in the U.S., yet we know almost nothing about what damage might ensue if the transplanted genes spread through global ecosystems.

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