Their extreme red shift makes them even more difficult to see.

In addition, the 24-hour shifts make it difficult for some women to find child care.

The shift stops the easy emotional flow and makes the work less an answer than a question.

At a time of recession in which Hollywood is talking about cutting costs, the shift also makes economic sense.

If the parliamentary elections turn out to be close, such small shifts could make the difference.

Population and political shifts make the issue more than academic.

Time was at stake, and a shift of a single second could make the difference.

Those shifts are still in progress, making the country more vulnerable.

Such a shift may make major changes to history and the balance of power.

The shifts don't make much sense, but they are striking.