Overview
Sixty years ago a Dutch scientist discovered a phenomenon that overturned the electrical rule book. By cooling certain metals to incredibly low temperatures he found they could continue to carry an electric current for ever, even when the power supply was switched off. Today, developments of these metals - called superconductors-have led to trains that fly, magnets that could depollute rivers and machines that promise cheaper power.
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11 - 1A Matter of Self-Defense January 07, 1974 -
11 - 2Bird Brain - The Mystery of Bird Navigation January 14, 1974
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11 - 3Never Too Late to Learn January 21, 1974
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11 - 4The Great Fish Hunt January 28, 1974
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11 - 5Pedal Power February 04, 1974
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11 - 6The Writing on the Wall February 11, 1974
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11 - 7Where Did the Colorado Go? February 18, 1974
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11 - 8The Future Goes Boom March 04, 1974
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11 - 9Fusion: The Energy Promise March 11, 1974
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11 - 10The First Ten Years April 22, 1974
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11 - 11This Yankee Dodge Beats Mesmerism Hollow April 29, 1974
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11 - 12The Hunting of the Quark May 06, 1974
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11 - 13A Noah's Ark for Europe May 13, 1974
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11 - 14Bridges: When It Comes to the Crunch June 03, 1974
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11 - 15Search for Life June 10, 1974
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11 - 16The Secrets of Sleep June 10, 1974
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11 - 17Who Needs Skills? June 24, 1974
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11 - 18Hills of Promise July 01, 1974
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11 - 19The Race for the Double Helix July 08, 1974
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11 - 20The Immigrant Doctors July 15, 1974
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11 - 21Mines, Minerals and Men July 22, 1974
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11 - 22What Price Steak? July 29, 1974
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11 - 23Listen and Be Loyal August 05, 1974
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11 - 24Adam or Eve? August 12, 1974
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11 - 25An Unholy Scramble September 02, 1974
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11 - 26Do as You Are Told October 28, 1974
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11 - 27The First Signs of Washoe November 04, 1974
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11 - 28The Other Way November 11, 1974
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11 - 29The Greatest Advance Since the Wheel? November 25, 1974
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11 - 30Joey December 09, 1974
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11 - 31The Neglected Harvest December 16, 1974
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11 - 32How on Earth Did They Do That? December 23, 1974
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11 - 33The Lysenko Affair December 30, 1974
