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Features

Tsunami: Wave of Change

In the tragic aftermath of the Indian Ocean tsunami of December 2004, scientists and warning centers are now better equipped to forecast and model these monstrous waves

By Eric L. Geist, Vasily V. Titov and Costas E. Synolakis

The Mystery of Brown Dwarf Origins

By throwing a wrench into the theories of planet and star formation, brown dwarfs may help fix them

By Subhanjoy Mohanty and Ray Jayawardhana

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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