Ecoair officials say their product's secret involves creating a different way of magnetizing the coil.

The secret you are trying to solve involves something greater-much greater-than the invention of a motor run by atmospheric electricity.

Skeptics were not convinced and have continued to speculate that the third secret involves something else.

Often, secrets would involve Henry Morgan in some manner.

The secret of immortality," said the old man, "involves the isolation in an individual of the duplicate potentials he inherited from his parents.

It was impossible to keep a search like that a secret, of course, with so many soldiers involved.

The secrets involve child abuse, sexual perversion, anti-semitism, and racism amongst the great and the good.

He appeared on I've Got a Secret, where his secret involved losing $190,000 in one night of poker.

"And you never tell the secrets involved," said Mr. Walston, 77, his eyes closer to their old merriment these days after a recent cataract operation.

The secret of the Ancients necessarily involves some aspect of Kirlian force.