HOME / Pepper : The stolen dog that changed American science. Pepper In the summer of 1965, a female Dalmatian was stolen from a farm in Pennsylvania. Her story changed America. By Daniel Engber|Posted Tuesday, Dec. 22, 2009, at 1:24 PM Tweet Tweet MYSLATE Save this story. Follow all Pepper articles. Follow the Health and Science section. Follow stories by Daniel Engber. MySlate is a new tool that lets you track your favorite parts of Slate. You can follow authors and sections, track comment threads you're interested in, and more. SLATE'S MOST VIRAL Oxford Town, Red Hook, and Every Other Place Bob Dylan’s Ever Sung About, Mapped Teenagers Hate Facebook, but They're Not Logging Off This Is a Blog Post. It Is Not a “Blog.” Daniel Engber (@danengber) is a columnist for Slate. Send him an email at email@example.com. Click here to load comments.