1.   But it certainly offered tantalizing clues, which legions of scientists and graduate students will explore, in the process generating tons of articles, monographs and doctoral dissertations.

2.   But the story has enough nasty twists and tantalizing clues for its ingenious mechanics to remain engaging.

3.   Despite the arrests of Luers and Marshall, most cases, including all the recent ones here in the Northwest, remain unsolved, even with tantalizing clues.

4.   Even several blocks away, tantalizing clues lead to the Pike Place Market.

5.   He gives us some tantalizing clues.

6.   Indeed, there had been tantalizing clues.

7.   Last November, as the initial phase of the war in Afghanistan continued to rage, President Bush offered a tantalizing clue about his next potential target.

8.   Now a remarkable new book by a British journalist offers tantalizing clues to revive and expand the polio vaccine theory.

9.   Scientists see other tantalizing clues.

10.   Small, dark spots in Europa pictures also provide tantalizing clues.