angels
... that angels seen radiating outward on an experimental radar led to the discovery of a curious flocking behavior of starlings?
... that <b id="mwCJw"><a href="./Radar_angels" id="mwCJ0" rel="mw:WikiLink" title="Radar angels">angels</a></b> seen radiating outward on <a href="./AMES_Type_84" id="mwCJ4" rel="mw:WikiLink" title="AMES Type 84">an experimental radar</a> led to the discovery of a curious flocking behavior of <a href="./Common_starling" id="mwCJ8" rel="mw:WikiLink" title="Common starling">starlings</a>?