Peculiar behavior of Bose Einstein Condensates known as Bosenova is known for about 15 years. Any new developments? Can physicists account now for "missing atoms"? Is it a simply collapse & rebound, the latter due perhaps due to disturbances resulting in loss of bosonic structure of collapsing sample? From where a tiny energy of explosion is originating? Are there any non crackpot speculations about possibility that some sort of "remnant" might be left and if so, what it is made of? Did anyone attempted to estimate density of most compressed stage of the process or a density of remnant (if exists)?