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In the February 25 Issue:

TABLE OF CONTENTS
Consciousness Emerges: Somewhere along a tangled path, sights, sounds and insights pop into awareness
Making Waves: Japanese quake gave scientists an unprecedented look at a big tsunami
Lessons from the Torpid: Hibernators have some helpful tips for keeping humans healthy

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A Breed Apart

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Macaw pens at the prehistoric site of Paquimé in northwestern Mexico were made of adobe and contained stone doors with stone plugs. New research suggests that large-scale breeding of scarlet macaws occurred there. Credit: A. Somerville

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