
Series which tells the story of how people came to understand the natural order of the plant world, and how the quest to discover how plants grow uncovered the secret to life on the planet.
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Air Date: 2011-06-07
Timothy Walker, director of Oxford University Botanic Garden, reveals how the breakthroughs of Swedish botanist Carl ...
Air Date: 2011-06-14
The air we breathe, and all the food we eat, is created from water, sunlight, carbon dioxide and a few minerals. That...
Air Date: 2011-06-21
For 10,000 years or more, humans created new plant varieties for food by trial and error and a touch of serendipity. ...