As so often, the narrative situation was prepared but its explanation had not emerged.

After a full week of formal inquiry, no simple explanation has emerged.

But put aside the American-centric explanation and more fundamental reasons emerge.

Only when the "critical mass" label is discarded does a likely explanation for these numbers emerge.

One possible outcome is that several different plausible explanations for the collapse could emerge, he said.

The murderer never testifies and no explanation for the crime emerges, even after the conviction.

After several more meetings of failure, a second explanation emerged.

Theories and explanations must emerge from the work as it goes along.

But a clearer explanation emerged after investigators questioned one of the three suspects.

Several explanations are emerging for how to generate extra complexity other than by adding more genes.