91.   Researchers hope they can offer clues on how to help immune systems stave off the deadly virus.

92.   Several of the stories in the collection offer clues.

93.   Scott offers no clues.

94.   Since his appointment was announced in early November, Ryan has offered few clues to his intentions.

95.   So far, Judge Jackson has offered few clues at to the remedies he considers appropriate.

96.   Solid-state physics offers clues to how something like this might occur.

97.   Sometimes an artist offers framing clues.

98.   State officials offered few clues as to how they would handle the expiration of the experiment.

99.   Still, Quinlivan and others say the conflict in Afghanistan offers clues of potential success in the evolving art of war.

100.   Still, the intensity of the battle offers a clue about how some people feel about dirty talking.