This is important, as dysprosium is used in the manufacture of hybrid car components and some are suggesting an impending shortage of the metal.

The idea was developed while the group was attending graduate school at Harvard University as an approach to the impending shortage of school principals nationwide.

The important issue - especially for people over 50 - is averting the impending shortage of vascular surgeons.

Indeed, some researchers say there is an impending shortage of counselors.

In addition, there is an impending shortage in those who work with medical records, Dr. Baxter said.

At first smokers responded by panic-buying, hording cigarettes against the impending shortage.

After three months, the Hōjō surrendered, facing overwhelming numbers and, presumably, an impending shortage of food and supplies.

And almost every year, there is a rumor of an impending shortage.

The impending shortage has become a major problem facing the Bush administration, which has yet to name a Secretary of Energy to deal with it.

So is an impending shortage of certified teachers.