1. Never let it be said people don't take punctuation seriously. Phillip Pullman and others are irritated that the Brexit commemorative coin lacks an Oxford comma.
2. My picky pants would like to note that somw of these hidden DC gems are not in DC, but the surrounding area. But I love a mention of the Hahn/Cock aka the big blue cock, so much that it gets a mention in Aloha to You, so, I accept this list.
3. Scientists were able to catalogue a new phenomenon in Aurora Borealis thanks to the help of star enthusiasts snapping pictures.