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Space and astronomy
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astronomy
Solar System
space missions
man in space
environment and energy
Environmental sciences - the climate crisis
Earth science
environmental issues
energy
transportation
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exact sciences
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nano-tech
military technology
futurology
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medicine
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the brain
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The origin of the dogs - they were domesticated in western China, not in the Mazat, 15 years ago
The science service
November 23, 2002
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