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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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BATTERY AT WORK

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Professor Angela Belcher shows off the virus-built battery she helped engineer. The battery — the silver-colored disk on the right side of the device — is being used to power an LED. Credit: Donna Coveney/MIT

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