October 2015 â Eating a diet rich in the carotenoids lutein and zeaxanthin is associated with a long-term reduced risk of developing advanced age-related macular degeneration (AMD), according to a new study. Please click on the image for a salad recipe that features kale, a great source for lutein.
Freebase(0.00 / 0 votes)Rate this definition: Conning tower. A conning tower is a raised platform on a ship or submarine, often armored, from which an officer can conn the vessel, i.e., give directions to the helmsman. It is usually located as high on the ship as practical, to give the conning team good visibility of the entirety of their ship itself and of ocean conditions and other vessels.
A non-directional (radio) beacon (NDB) is a radio transmitter at a known location, used as an aviation or marine navigational aid. bearing is a line passing through the station that points in a specific direction, such as 270 degrees (due West). NDB bearings provide a charted, consistent method for defining paths aircraft can fly. In this fashion, NDBs can, like VORs, define  airways  in the sky.