Once Owl explains the rules

Will a roll of the dice turn things around

"Sure to delight middle graders and encourage interest in STEM careers

Kidder tells the story of Dr

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Do Plants Know Math?: Unwinding the Story of Plant Spirals, from Leonardo da Vinci to Now Randy Cecil Once Owl explains the rulesA breathtakingly illustrated look at botanical spirals and the scientists who puzzled over them Charles Darwin was driven to distraction by plant spirals, growing so exasperated that he once begged a friend to explain the mystery if you wish to save me from a miserable death. The legendary naturalist was hardly alone in feeling tormented by these patterns. Plant spirals captured the gaze of Leonardo da Vinci and became Alan Turings final obsession.