Or, the least popular theory: maybe it was just an accident.

That's a popular theory, but there's no evidence to back it up.

That seems to be the most popular theory about the guy.

Nor can they be answered by a couple of popular theories.

The facts are a little different from the popular theories.

Another extremely popular theory among the experts is that nothing happened because we stopped it.

"The younger player should play the hand" is a popular theory in such circles.

We'll start with the most popular theories about the gardens.

This section deals with some popular theories of the second type.

But over the past two years it has become the most popular theory.