While wind shears in the upper atmosphere are usually vertical, they tend to be horizontal closer to the runway. Horizontal wind shears can create eddies or swirls, of air that cause turbulence. A microburst is a type of wind shear associated with a thunderstorm and caused by a current of sinking air.
Apple Music. Not to be confused with Apple Records. Apple Music is a music-streaming service, developed by Apple Inc. Users select music to stream to their device on-demand, or they can listen to existing, curated playlists.
Sarah Tew/CNET. Music-streaming services let you listen to nearly any song or album for a small monthly fee. By our count, there are at least 11 subscription music services available around the world: Spotify, Rdio, Apple Music, Rhapsody, Google Play Music, Tidal, Xbox Music, Deezer, Napster, Mog and Rara.