21.   Extremely powerful bursts of gamma rays that are exploding across the heavens almost daily remain a puzzle to astronomers despite four years of observation by an orbiting NASA observatory.

22.   In neighboring Albania, the government sought an urgent meeting with Yugoslav authorities after Serb mortars exploded across the border.

23.   Major powers fear fighting could explode across the province by spring unless a viable solution is found.

24.   The bomb exploded across the street from the five-star Sheraton Hotel, said Moeen Uddin, a member of the police bomb squad.

25.   The Albanian government is asking for an urgent meeting with Yugoslav authorities after Serb mortars exploded across the border from rebellious Kosovo province, an official said.

26.   The Albanian government is asking for an urgent meeting with Yugoslav authorities after Serb mortars exploded across the border from rebellious Kosovo province.

27.   There are more Hispanic firms in part because the Hispanic population is exploding across the country.