31.   Several substances successfully attack tumors in mice but turn out to be useless in treating human cancers.

32.   Someone who went into a Big East tournament game so weakened by food poisoning that he was virtually useless in a losing effort.

33.   Take away that will to kill and you have a soldier useless in the field.

34.   The evaluations and the plans derived from them are useless in the classroom but have become a boondoggle for child-development specialists.

35.   The inmates recorded their shifting demographics in vivid charts, marking the rapidly declining population of women, children and the elderly, all useless in the labor brigades.

36.   The skills that work in one are useless in the other.

37.   Their observations on setting up a turning business are relatively useless in this country, where wood is not usually considered a viable material for everyday utilitarian objects.

38.   There is a trade feature, which is fairly useless in single-player mode.

39.   There are also some Japan specialists who complain that economic theory is virtually useless in explaining what goes on in Japan.

40.   This is an unsatisfactory medical cop-out, as useless in its way as the vague warnings issued periodically by Tom Ridge about potential terrorist acts.