1.   Researchers there were intrigued by findings that red wine, in test-tube experiments, was found to be an antioxidant.

2.   Other researchers are intrigued by the idea that Wollina has found a marker for ecstasy-induced liver damage.

3.   Researchers are particularly intrigued by the possibilities of using robots to assist the elderly at home.

4.   The inherent lethality of the toxin has intrigued researchers, who, in the laboratory, have begun to use it to target cancer cells.

5.   The mysteries of sleep have intrigued researchers for centuries, but only recently have sleep pioneers begun to unravel the complex process.

6.   What intrigued the researchers, though, were the patterns of brain activity during the two tests.

7.   Researchers are intrigued by findings that japonicus and West Nile share much of the same U.S. territory.