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Earth
Airport travellers get a robot chauffeur
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Technology
Universal kernel code to keep computers safe
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Health
Muscular blob shows new direction for tissue engineering
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Life
Smell of death can point to murder time
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Technology
Pay-per-email plan to beat spam and help charity
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Technology
Robots to get their own operating system
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Earth
Research ship drills deep into ocean quake zone
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Technology
Artificial Intelligence researchers confront sci-fi scenarios
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Technology
Talking paperclip inspires less irksome virtual assistant
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Technology
Smart machines: What’s the worst that could happen?
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Health
The scientific arguments for US healthcare reform
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Physics
Airport travelators actually slow passengers down
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