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This is the world's most advanced jet

Behind closed doors, NASA's top engineers have been working on a highly advanced aircraft, focusing on the creation of a ...
The Style Theorists on MSNOpinion

The $300 toothbrush lost where it mattered most: actual cleanliness

Six popular toothbrushes priced from roughly $3 to $300 are tested over 15 days. Participants compare mouthfeel, ease of use ...