Each week New Worlds looks for ideas, experiments and inventions in the world of science and technology.
Paul Vaughan gathers the threads together and brings you up to date with what is going on in the laboratories and workshops.
Among tonight's items will be reports on science and technology in Canada from BRIAN MEREDITH : snowmobiles and hovercraft, the vanishing technology of the Eskimo. and how the polar bear is affected by pollution.
Producer MICHAEL TOTTON
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