Word: periodic
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Dates: during 1960-1969
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...period of history," De Gaulle said, "is that of a world in movement, of a world which disapproves of and is alarmed by the conflict and the escalation conducted in Southeast Asia by foreign intervention, of a world which has no future except in peace." As its piece de resistance, De Gaulle's government signed two more agreements covering an exchange of students and teachers, of ballet, concert and other cultural groups, and technical study teams that will explore, among other things, the peaceful uses of nuclear energy...
...answer may prove to be a new "countdown" traffic light that has been tested over an eight-month period in Abilene, Texas, and cut traffic accidents at a busy intersection by 44% . It looks like an ordinary traffic-light signal head. But twelve seconds before it is due to change, the amber light blinks a count down from nine to one at one-second intervals in 10-in.-high numerals that are visible for 200 ft. It then glows steadily amber for three more seconds before the signal turns...
...turned out, the high school students did even more learning than the children they were hired to teach. According to a study conducted by Columbia University, a sampling of the 2,000 tutored youngsters advanced an average of six months in reading ability during one five-month period; their untutored classmates improved by only 3½ months. But 100 tutors who were tested-many of them below eighth-grade standards in reading skills-picked up an average of 3½ years in reading ability. Faced with the responsibility of helping younger children, teen-agers with a previous record of hostile...
...while it looked as if Boeing's medium-haul, three-jet 727, in service since 1964, might be grounded by Government edict. During a five-month period beginning in August 1965, there were four fatal 727 crashes, all of them during the final landing approach. But last week, reporting on one of the four disasters-an American Airlines 727 crash in Cincinnati that took 58 lives-the Civil Aeronautics Board blamed the accident on pilot error and cleared the aircraft altogether. The 727, said the CAB, has "no design deficiencies or unsatisfactory operating characteristics...
...that period, Turmac has increased its share of the Dutch cigarette market from...