21.   After the star explodes, the core collapses to extremely high densities, which could be the force liberating the quarks.

22.   But after landing, Strug immediately lifted her left foot and then collapsed to the floor in pain.

23.   During the final week, he vomited repeatedly, defecated on himself at least four times and collapsed to the ground on numerous occasions.

24.   During severe seizures, a person can lose consciousness, collapse to the ground and convulse violently.

25.   Five military buildings appeared damaged badly, with one of them, originally four stories, collapsed to one, looking something like a millefeuille.

26.   He collapsed to the grass in front of the mound, where he remained for several minutes, and needed help getting off the field.

27.   Her limp frame collapses to the ground as he stands over her with his gun drawn and pointed at her head.

28.   I collapsed to the ground.

29.   Hoyle collapsed to the ground and played dead just before Curtis Moore caught up with him.

30.   If that were so, something might cause the present-day universal vacuum to collapse to a different vacuum of a lower energy.