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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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Desert locusts can switch from a crowd-hating solitary lifestyle (right: nymph at top, adult below) to a livelier, gregarious creature having bolder colors (left). A new study links the change to serotonin surges in the locust nervous system. Credit: IMAGE CREDIT: Tom Fayle

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