31.   Russia later denied that it had conducted a nuclear blast and reaffirmed its commitment to the test ban.

32.   Scammell said the atmospheric explosions often were conducted to see how well various structures and objects withstood the effects of nuclear blasts.

33.   Second, Clinton could stimulate efforts to negotiate a comprehensive test ban forbidding all nuclear blasts.

34.   Scientists track underground nuclear blasts and earthquakes in the same way, measuring the seismic waves they send out through the earth, often over extremely long distances.

35.   Such subcritical tests are permitted by the treaty since they involve no nuclear blasts.

36.   Tension reignited until the Pentagon could reassure official Washington that the flash was not a nuclear blast.

37.   That India set off five underground nuclear blasts last week almost overtook American anguish over the concluding episode of Seinfeld.

38.   The crater looked unusually small for something allegedly generated by a nuclear blast of the advertised size, he said.

39.   The episode shows how the system that warns of missile attack and clandestine nuclear blasts is fast evolving to detect bomb-size meteors as well.

40.   The gas nuclei would fuse, unleasing a massive nuclear blast.