Environment
Buttercups focus light to heat their flowers and attract insects
A special layer of cells inside the petals makes them act together like a parabolic reflector, focusing visible and infrared light on the flower centre
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A special layer of cells inside the petals makes them act together like a parabolic reflector, focusing visible and infrared light on the flower centre
From Roman toilet gods to fat hen, good stories abound in this book about why we eat only particular plants