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Environment9307 articles archived since 1845

The Planetary Tease

Astronomers are on the verge of finding other Earths—but still far from knowing whether they are inhabited

May 18, 2009 — Donald Goldsmith

Tuning Up Car Engines

There is a host of existing technologies that could radically improve the internal combustion engines that power our cars. David Biello reports

May 14, 2009
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