Its apocalyptic imagery proved provocative to would-be interpreters.

Standardizing the nature of health care institutions in this manner proved rather provocative.

As directed by Michael Langham, the National Actors Theater's artistic adviser, the play proves far more provocative than it sounds.

Such experiments have over the years proved provocative and promising.

But the art will prove no less challenging and provocative to an adult audience.

Third, if such tissues prove too provocative to patients' immune systems, Geron is working on ways to generate embryonic cells from patients' own mature cells.

Standardizing the nature of healthcare institutions in this manner proved provocative.

But if their work can startle, it also tends to avoid developing initial images that proved so provocative a few minutes beforehand.

Although not every choice has been stellar, the opening nights reflect an astute eye for films that would prove both provocative and enduring.

While working at his own pace and according to his own guidelines, Mr. Smigel has produced a few cartoons that proved unexpectedly provocative.