China's space ambitions ally glory with pragmatism

As China pushes to become a global space power, experts say its ambitions go well beyond a symbolic moon landing, to satellite observation and a global positioning system to rival that of the United States.

Climate models make too hot forecasts of global warming

Data from NASA's Terra satellite shows that when the climate warms, Earth's atmosphere is apparently more efficient at releasing energy to space than models used to forecast climate change have been programmed to "believe."

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