Chocolate, unwrapped.

• Position: DNA - Hershey's Co. and Mars Confectionary's findings about DNA units of cocoa - Brief article

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Hershey's and Mars have been battling it out at the candy store for almost 100 years, but recently, they've taken their rivalry to a very different setting: the research lab. Two teams of scientists, one working for Mars, the other funded in part by Hershey's, say they've mapped the cocoa tree's 420 million DNA units. (Humans have 3 billion units.) Mars was first to announce its findings. Knowing the DNA sequence may help ensure a more stable supply of chocolate and make it better tasting and healthier. Despite the rivalry, both teams agree that the data should be made...