Overview
Horizon illustrates the Circadian Cycle of your body clock as it relates to physical and mental efficiency.
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10 - 1Epidemic January 04, 1973 -
10 - 2Worlds in Collision January 11, 1973
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10 - 3The Military Necessity January 18, 1973
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10 - 4The Curtain of Silence January 25, 1973
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10 - 5Crime Lab February 01, 1973
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10 - 6When the Breeding Has to Stop February 08, 1973
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10 - 7Science Is Dead, Long Live Science February 15, 1973
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10 - 8...And Where Will the Children Play? March 01, 1973
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10 - 9Acupuncture: A Chinese Puzzle March 08, 1973
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10 - 10What Time Is Your Body? March 22, 1973
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10 - 11Survival of the Weakest April 05, 1973
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10 - 12Red Sea Coral and the Crown of Thorns April 12, 1973
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10 - 13Lumbered... with Back-Ache! April 26, 1973
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10 - 14Airport May 03, 1973
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10 - 15Do You Remember the Memory Man? May 17, 1973
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10 - 16What a Waste! May 24, 1973
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10 - 17The Laws of the Land June 07, 1973
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10 - 18Do We Really Need the Railways? June 14, 1973
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10 - 19The Telly of Tomorrow? June 21, 1973
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10 - 20How Does It Hurt? July 05, 1973
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10 - 21A Scientist Looks at Religion August 09, 1973
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10 - 22In Search of Konrad Lorenz September 24, 1973
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10 - 23Stretch Up Tall October 01, 1973
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10 - 24Gilding the Lily October 08, 1973
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10 - 25The Black Holes of Gravity October 15, 1973
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10 - 26What's so Big About Us? October 22, 1973
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10 - 27The Steadfast Tin Soldier October 29, 1973
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10 - 28Carry on Smoking November 05, 1973
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10 - 29Air Crash Detective November 26, 1973
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10 - 30An Element of Mystery December 03, 1973
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10 - 31Digging Up the Future December 17, 1973
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10 - 32Kula, a Reason for Giving December 24, 1973
