It’s one of the oldest sayings in the book: one man’s trash is another man’s two-headed stuffed pigeon. When it comes to the wares sold at Loved to Death, the setting of Science’s Oddities: San Francisco, “unusual antiques” might be a mild descriptor. But, as we know from the original Oddities, there’s certainly a market for mummified cats and pickled hearts among the eccentric. Loved to Death has been open…