Walker's Point ice cream shop Purple Door, 205 S. 2nd St., isn't likely to be affected by the elimination, according to co-owner Lauren Schultz. Purple Door's version of Blue Moon, called Purple ...

Purple Door's version of Blue Moon, called Purple Moon, has no artificial dyes. It has an almond and citrus flavor, but its color is, well, purple — made using raspberry and blueberry puree.

One of those investigations involved a distinctive deep dive into studying the interior of the moon.