- author
 - - Wouter Beek
 
- version
 - - 2013/12
 
- To be done
 - - Calculate relevance based on freshness lifetime and importance.
 - - User-specific influencing of relevance. Based on login/based on cookies.
 
 random_news// is semidet- Emit a random news item for the Did You Know place of the page.
Fails if there is no news.