A possible explanation is that de novo structural aberrations arise frequently, and in most cases disappear from the rapidly proliferating population because they confer a proliferative disadvantage.
Besides, the core columns, not the external columns, would yield the most information about the collapses, but the videos and still pictures of the injured buildings don't show the condition of the core columns, and those columns were marked only with paint, which in most cases has disappeared.
When treated between the ages of PD 20 to PD 50 (endpoints PD 30 to PD 60), the PNA-negative areas became much smaller and in most cases completely disappeared (Fig. 6B and 6C).
People simply mislay them, eventually, in one way or another, and in most cases they disappear as permanently as if they had been dropped into the sea.
In most cases, they disappear from the scene just as quickly.
Gene duplication creates an unstable state of functional redundancy, which in most cases will disappear by loss of one copy through accumulation of degenerative mutations, recombination and/or genetic drift.
During the most recent housing crisis, financing options also changed (and in some cases disappeared altogether).
In most cases, the tumors disappeared entirely, something that had never before been seen in the treatment of solid tumors.
While none of these paints was completely odor free, in most cases the smell disappeared in an hour or so.
At first, the RIAA's strategy to sue individual users of peer-to-peer networks generated a stir (see "Grandmother Piracy Lawsuit Dropped" and "12-year-old Settles Music Swap Lawsuit"), but, since last fall, most cases have quietly disappeared in private settlement agreements for sums averaging $3000 (see "RIAA Files 493 More Lawsuits").
