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Features

The Maternal Brain

Pregnancy and motherhood change the structure of the female mammal's brain, making mothers attentive to their young and better at caring for them

By Craig Howard Kinsley and Kelly G. Lambert

Recognition Engines

New computer designs process networked "streams" of data for better spam and virus detection

By Gary Stix

Protecting More Than Animals

Reducing animal suffering often has the unexpected benefit of yielding more rigorous safety tests

By Alan M. Goldberg and Thomas Hartung

Innovations from a Robot Rally

This year's Grand Challenge competition spurred advances in laser sensing, computer vision and autonomous navigation-not to mention a thrilling race for the $2-million prize

By W. Wayt Gibbs

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