Safeguarding the World's Chocolate Supply

Cacao Tree Image Link

Where chocolate begins: the cacao tree. Issouf Sanogo/AFP/Getty Images hide caption

itoggle caption Issouf Sanogo/AFP/Getty Images

Mars, the maker of M&Ms, is teaming with the U.S. Department of Agriculture and IBM to make chocolate give up its secrets. They're spending more than $10 million in an effort to sequence the genome of the cacao plant — from which chocolate is made.

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