11.   The controversy exploded after The Universe, a Catholic newspaper in Manchester, revealed the origin of the vaccine.

12.   The day before, the space shuttle Challenger had exploded shortly after takeoff, an event unthinkable to people my age.

13.   The device, which exploded shortly after dawn atop a diesel generator in the embassy courtyard, damaged the building, but there were no casualties.

14.   The fighting exploded after a week of high tension as political negotiations stalled and both rebel forces and army and police troops prepared for a new round of fighting.

15.   The market will explode after the election.

16.   The markets exploded after Federal Reserve chairman Alan Greenspan intimated that he would not cut interest rates again soon.

17.   The milk-jug bomb used water and dry ice and exploded shortly after midnight Saturday.

18.   The Paris-bound jet exploded shortly after takeoff from John F. Kennedy Airport in New York last Wednesday.

19.   The process continues, building simple elements until the star explodes after millions of years.

20.   The rocket apparently exploded after rising just a few hundred feet from its launch pad, crashing down on a road one mile away.