41.   These women are plenty familiar with unfairness, but on this they seem desperate to find an explanation for what made their able, healthy children suddenly vulnerable.

42.   Using computer modeling, the scientists found an explanation in the Yarkovsky effect.

43.   Western experts have found it harder to find innocent explanations for a second Russian experiment, published recently in the journal Vaccine.

44.   We also hope to find an explanation for this situation through our investigations.

45.   Peter Humfrey, a British professor who helped write the catalog for the show, found no explanation either.

46.   Autopsies have found routine explanations for the deaths of farm animals that have been popularly attributed to a mysterious bloodsucking creature, a government doctor said.

47.   Autopsies have found routine explanations for the deaths of farm animals in this U.S. commonwealth popularly attributed to a mysterious creature, a government doctor said Tuesday.

48.   Five doctors testified to the Vatican that no scientific explanation could be found for her recovery.

49.   It was doubly satisfying for Russia because it caught NATO by surprise and left Western officials scrambling to find explanations.

50.   No other reasonable explanation can be found for the motion of the stars.