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Space
NASA says Columbia crew had no chance to survive
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Health
Skimping on sleep linked to hardened arteries
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Space
NASA gives space cargo contracts to start-up firms
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Space
Space station upgraded to spot threatening electric fields
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Space
Holes in Earth’s magnetic cloak let the solar wind in
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Earth
EU agrees cut in greenhouse gas emissions
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Earth
EU and US line up for climate crunch-time
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Earth
Nobel laureate may be next US energy secretary
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Earth
Darfur crisis is stripping the environment
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Life
Carbon dioxide found on alien world
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Earth
Give everyone CO2 permits, say scientists
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Physics
Search for ‘God particle’ hit by huge repair bill
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