- Contributed by Erwin Cifuentes. By analyzing the DNA of nearly four hundred types of potatoes, U.S. scientists have deduced that the first potato emerged from Peru seven thousand years ago. (BBC)
- Contributed by Erwin Cifuentes. By analyzing the DNA of nearly four hundred types of potatoes, U.S. scientists have deduced that the first potato emerged from Peru seven thousand years ago. (BBC)
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