51.   Meanwhile Tuesday, experts investigated whether a sudden burst of wind may have pushed down the jetliner.

52.   Researchers have found performance improvements in laboratory tests involving sudden bursts of very strenuous activity, Terjung said.

53.   She is not at all impressed by the sudden burst of interest shown in our movie industry whenever our films do well in foreign film festivals.

54.   The bank did not confirm the action, but traders reported a sudden burst of buying that normally indicates official intervention.

55.   The negotiations were shrouded in secrecy until the sudden burst of public optimism about the outcome.

56.   The negotiations, in their fourth day at Bolling Air Force Base were shrouded in secrecy until the sudden burst of public optimism about the outcome.

57.   The only casualty has been a hiker who was injured Wednesday following a sudden burst of lava.

58.   The reason for the sudden burst of activity?

59.   The sudden burst came right before lightning began crackling beyond the outfield walls at Shea Stadium.

60.   There would be sudden bursts of creativity followed by periods of exhaustion.