31.   But last week, the supposedly rational, science-based treatment collapsed under suspicions that many patients on the pills may suffer damage to heart valves.

32.   But in the last few years, the two groups have collapsed under the weight of their own excesses and popular revulsion.

33.   But in the waning moments, they collapsed under pressure for a second astonishing postseason in a row.

34.   But that rationale collapses under the reality that many heterosexual couples are infertile, choose not to have children or simply marry past childbearing age.

35.   But some scientists have criticized that theory, saying that there is no evidence the blast was needed and that the cloud could have collapsed under its own gravity.

36.   But they were playing the Houston Oilers, whose halfway-decent defense routinely collapses under the weight of a hapless offense.

37.   By then, the Berlin wall had fallen, and so had the Christian Democratic Party, which collapsed under the weight of corruption scandals.

38.   Cincinnati collapsed under the weight of internal problems.

39.   Construction stopped the day he died, and the wooden trestles soon collapsed under the snow.

40.   Consumption from U.S. manufacturers has kept the copper market from collapsing under the growing weight of stockpiles in London Metal Exchange warehouses.