Explosive stars with good table mannersIn two comprehensive studies of SN 2011fe -- the closest Type Ia supernova in the past two decades -- there is new evidence that indicates that the white dwarf progenitor was a particularly picky eater, leading scientists to conclude that the companion star was not likely to be a sun-like star or an evolved giant.
Source: Explosive stars with good table manners (http://www.sciencedaily.com/releases/2012/03/120320142056.htm)