How cancer changes our cells | Bang Goes the Theory
Liz Bonnin explains and illustrates what it means for a cell to become cancerous.
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Episode 1 | Superfoods: The Real Story
This episode looks at kale and whether it could help eye health, finds out if grapefruit can help weight loss, and if xylitol can be good for our teeth.
Selective breeding and the 'Green Revolution' | Botany: A Blooming History
Norman Borlaug used selective breeding techniques to improve wheat production in Mexico. He produced plants which had large seed heads and hence a good yield. However, the plants were too tall and were prone to falling over (lodging).