Kathy Willis examines new insights into plants as regulators of our planet.
Melvyn Bragg and guests discuss enzymes, the catalysts essential for life.
Sheila Dillon discovers why fermentation is the catalyst for a delicious revolution.
Prof Andrea Sella looks at efforts to reduce our dependence on the Haber-Bosch process.
Melvyn Bragg and his guests discuss photosynthesis.
Kathy Willis explores the harnessing of plants' ability to photosynthesise their own food.
Dan Saladino heads to Tennessee to meet the fermentation teacher and writer Sandor Katz.
Dan Saladino has a practical fermentation masterclass with writer and teacher Sandor Katz.
Sheila Dillon on an ancient, mysterious yet essential food-making process - fermentation.
Sheila Dillon explores the science of maturation and transformation in food and drink.
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