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Publisher's Summary

This edition includes four articles. First, the cover story about the 3-million, 300-thousand year old baby - and what she means for Human Evolution. Next, we'll delve into the "Scientific American 50 for 2006" with 16 individual profiles of technology leaders. Finally, we'll hear about cancer clues from pet dogs. Studies of canine malignancies could improve medical care for both humans and man's best friend.
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  • ©2006 Scientific American
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