A robot that could star in 'CSI'

A word of caution to the stars of "CSI": Your jobs may be taken over by robots. A machine created by a Chilean inventor called the Geo-Radar has been used to recover everything from dead bodies to buried treasure.

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Your Black Friday shopping survival guide

Ready to battle for deals? Bridget Carey helps you plan your strategy with tips on smartphone apps, where to find the best deals, and when to avoid the stores.

by Bridget Carey