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NASA launches communication satellite
Ten years since loss of space shuttle Columbia
Columbia's 7 astronauts were close, diverse crew
Genetics may explain severe flu in Chinese people
2 science projects win up to $1.3 billion each
Mixed decision in phony Scrolls email appeal
Study: Distant rural areas may feel cities' heat
Japan launches 2 intelligence satellites
NASA testing vintage engine from Apollo 11 rocket
Buoyed by Obama, leaders press for climate action