But last week, that element of the charm proved a great vulnerability.

Studies have shown the greater vulnerability to extinction where habitats are fragmented.

"The result is a greater vulnerability to environmental toxins, including alcohol itself," he explained.

"Our great vulnerability," he said, "has always been that we're about a single topic."

But experts say that new power has brought with it greater vulnerability.

On a more positive note, women in the work force have thus far shown no greater vulnerability to heart disease than housewives, with one exception.

Still, she sings with great vulnerability and assured technical skill.

He also predicted the greater vulnerability to enemy action of lighter than air machines.

"The weather systems tend to pile up as you approach the continent and there's a much greater vulnerability to running out of wind."

He predicted "very little unit growth for the drug companies" and greater vulnerability to generic products.