Add Yahoo as a preferred source to see more of our stories on Google. If the word “quark” sparks memories of physics class, rest easy: a) I'm not qualified to write about physics; and b) that’s not ...

Have you heard of quark? No, I'm not talking about the physics term-quark is the hottest new dairy product to hit the food scene. But...is it yogurt? Is it cheese? Is it something better? Quark is ...