1.   And animal skull fossils sometimes yield tantalizing evidence of transitional metabolic natures.

2.   Implausible as it sounds, scientists report tantalizing new evidence in scattered human trials that brain-cell grafts can work, sometimes dramatically.

3.   Last year, his group reported tantalizing evidence that he was right.

4.   Pieces of the radio dish which picked up the most tantalizing evidence to date of extraterrestrial intelligence are up for sale.

5.   There was tantalizing evidence that Islamic extremists were present in Arizona.

6.   This time, however, researchers are reporting the first tantalizing evidence that the cardiovascular gene therapy could work.

7.   Tantalizing evidence of the civilization remains, like a slab of intricate geometrical design in black and white stone that once was a palace corridor.

8.   The most tantalizing evidence of life on Mars comes not from the planet itself, but Antarctica.