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Scientific American, August 2013 | [Scientific American]

Scientific American, August 2013

"Perchance to Prune": Connections among nerve cells grow weaker during sleep, which seems to aid memory. "Why Exercise Works Magic": Being active is good for many reasons beyond the old familiar ones. "What Is Real?": The world may consist of bundles of properties, such as color and shape. "The Surprising Origins of Life’s Complexity": Scientists are exploring how organisms can evolve elaborate structures without Darwinian selection.
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Publisher's Summary

In this issue:

"Perchance to Prune": Connections among nerve cells grow weaker during sleep, which seems to aid memory.

"Why Exercise Works Magic": Being active is good for many reasons beyond the old familiar ones.

"What Is Real?": The world may consist of bundles of properties, such as color and shape.

"The Surprising Origins of Life’s Complexity": Scientists are exploring how organisms can evolve elaborate structures without Darwinian selection.

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    ©2013 Scientific American

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