Topics on The Realm Daily come from NASA (the Astronomy Picture of the Day and the Image of the Day - NASA does not endorse this game), from Wikipedia (text under CC BY-SA 4.0; each one-line summary here is ours, shared under the same license, with a link to the article), and from players. Every topic is checked to be friendly for all ages before it appears. See the credits for the sources of the characters' jokes too.