This theory persists among later critics, and remains solidly within the critical canon.

A spark from a wire in the center fuel tank was the culprit, although several alternative theories have persisted.

Yet speculation and theories, about other suspects and far-flung motivations, persist.

In fact, various fantastic theories on the origin of peoples persisted well into the 19th century.

I blame the people who teach economics and allow the flawed theories to persist from generation to generation.

The classical theory persisted for so long unquestioned because it seemed intuitively correct and has great explanatory power.

The "wandering womb" theory persisted in European medicine for centuries.

These cutters were to have been much larger ships, and two theories persist as to why they were shortened.

Although there have been many explanations and conjectures, two theories persist.

"The mystery to me is why this theory of a connection between interest rates and the budget deficit persists."