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Space
Antarctic bases offer lessons for space
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Earth
Google announces plan to wean US off coal and oil
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Health
Arthritis supplements no better than placebo
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Space
Hubble repair mission may be delayed to 2009
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Earth
Carbon-trading scheme gets underway in US
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Earth
Europe should spend now to avoid climate catastrophes
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Space
China celebrates success of third crewed spaceflight
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Health
Billions pledged to aid fight against malaria
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Space
China’s third crewed mission blasts off
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Health
Lung treatment breathes new life into flu vaccines
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Earth
Shuttle launch delayed by effects of Hurricane Ike
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Physics
Large Hadron Collider out of action until spring
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