31.   Intensive study of the beach here and the bottom in the breaker zone and beyond could yield clues.

32.   Initially, police had been unable to identify the body and held onto the thumb in hopes it would eventually yield clues.

33.   Other fallen Taliban cities, like Mazar-e-Sharif and Herat, are regional capitals that may also yield clues.

34.   Other fallen Taliban cities, like Mazar-e-Sharif and Herat, are regional capitals that may also yield some clues.

35.   Sifting through the rubble, which yielded key clues in the Oklahoma City bombing, will be extremely difficult because of the amount of debris.

36.   That in turn might yield clues to better treatment.

37.   Such findings may yield clues to design more effective antibiotics.

38.   The American dollar was mixed against key currencies Monday as investors awaited economic reports that could yield clues about whether U.S. inflation is on the rise.

39.   The discovery may yield important clues to how the brain keeps time in everyone, blind or not.

40.   The body parts also yielded clues that a single killer was responsible.