The chart (generated by Ignatius Rigor for Dot Earth) shows the state of the Arctic Oscillation, a pattern of atmospheric pressure that has two phases, positive and negative (somewhat like the more familiar cycle of El Niño and La Niña in the Pacific). (dotearth.blogs.nytimes.com)
The skaters coursing those quiet streets didn't gleam with chrome and lacquer, like their more familiar cycling counterparts; they pumped their arms and undulated like a Chinese parade dragon. (si.com)
This week's school shooting, and we have to say, «this week's,» because there are so many, prompted this Facebook post of a depressingly familiar cycle: mass shooting followed by calls for thoughts and prayers, Facebook debates, everyone forgets, Congress does nothing, crickets chirping, and then another mass shooting. (nbcnews.com)