61.   Amid the rubble of Oklahoma, scientists hope to find clues to unlock the mysteries of deadly tornadoes.

62.   Autopsies on the bodies were being performed Monday in an attempt to find clues to the killings northeast of Oslo.

63.   But Klebanov said divers also used their time to find clues about the accident.

64.   Clues may be found in the cockpit voice recorder, which was recovered Thursday.

65.   Doctors have tested all sorts of things that DeVoter came into contact with in the months before he fell ill, but have found no clues.

66.   Except for the transcripts, the ministry said, investigators have found few clues to the cause of the crash.

67.   German researchers studying eclampsia, a dangerous condition in pregnant women, have found a clue to the big jump in blood pressure that accompanies it.

68.   However, investigators hope they can find additional clues about who was behind the New York bombing and other acts of terrorism.

69.   However, investigators hope to find additional clues about who was behind the New York bombing and other acts of terrorism.

70.   However, investigators hope they can find additional clues about who was behind the New York bombing and other terrorist acts.