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2012 News in Brief



Pedro Reis talks about the mathematics of tree shapes and the clapping of books

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NPR’s “Morning Edition” interviewed Professor Pedro Reis in late December, asking him about the work of a French physicist who used the size and shape of tree branches to explain Leonardo’s rule. NPR also posted Reis’s own video describing why book pages flap in the wind, making a clapping sound. Listen to or read the interview and see Reis’s clapping book video.