with Kid Jensen
Dr Alan Maryón'Ðavls today, talks about. Jrerbal medecinehow medical substances of .value are extracted from plants and about homeopathy
Herbal medicines provide an alternative form of .treattnent which greater numbers of people are turning to. Some of the world's best-known drugs have their origins in plants and scientists are continually looking for more examples. Many antibiotics are derived from moulds, extract of foxglove helps relieve people of dropsy and aspirin is derived from oil of wintergreen which comes from the willow tree.
Of all the differences throughout the world, the only measurement which remains constant is that of time. Alison Rice takes a few minutes to talk about time. how our daily time division was decided upon and how the 0° line of longitude came to be at Greenwich.
Producer DAVE TATE