Dogs give us puppy eyes . . cats grace us with their presence. But we love them both . . or at least a lot of us do. But why are the two most popular pets so very different? It all boils down to genetics and history.

The Backstory: Corn Flakes, Rice Krispies and a Billion Dollar Feud
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The Backstory: Victorian Death Parties
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The Backstory: An Endless Earworm Turns an Oscar Winner Into a Songwriter
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