31.   Rumors swirl when an athlete wins by a huge margin or drops out without explanation.

32.   Researchers say they have all but located a gene responsible for a heart-rhythm abnormality that can cause young, seemingly healthy people to drop dead without warning.

33.   Six of those cases, involving unidentified members, were considered insignificant and dropped without any action, the sources said.

34.   Theoretically, the uranium bomb was straightforward enough to be dropped without a test.