1.   A focused exploration effort has led to the drilling of fewer dry wells and has cut costs.

2.   But he cautioned that risk and failure are inherent in any exploration effort that relies on innovation and breakthrough technologies.

3.   During the Cold War space race with the Soviet Union, NASA enjoyed unlimited costs for early Mars exploration efforts, with vastly more personnel.

4.   Ilacqua and other Wall Street analysts said they had assumed Mesa would expand its exploration efforts in an attempt to boost revenues and make that debt easier to carry.

5.   It plans to concentrate its exploration efforts in the West Panhandle field of Texas and offshore in the Gulf of Mexico.

6.   Moreover, the lesson that the oil companies have learned from recent history is that they would be foolish to ramp up their exploration efforts.

7.   Oil service stocks have boomed this year as higher oil and natural gas prices have encouraged oil companies to increase exploration efforts.

8.   Salt Lake City-based FX Energy also produces oil in Montana and Nevada, and is a partner in exploration efforts in two other areas of Poland.

9.   The space agency has yet to formulate a change in its Mars exploration efforts in the wake of the two losses.

10.   The space plane, a vehicle that would land and take off on a runway but achieve orbit, had been the early direction of space exploration efforts.