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Crash on Moon Could Have Big Scientific Impact October 9, 2009 Report Scientists hope crashing a probe into the moon will shed light on whether there is much water there.

Fossil Sheds Light on Early Evolution October 1, 2009 Report A 4.4-million year old fossil, discovered in Africa has opened a window onto humans' "early evolutionary steps," according to scientists.

Alternative Fuels January 28, 2009 Carmakers are looking to alternative fuels such as ethanol, natural gas and hydrogen to improve fuel economy, decrease greenhouse gas emissions and transition from foreign to domestically produced fuels. In this in-depth report, learn about the science and politics of alternative fuels, and explore how your car's fuel costs and emissions stack up to similar alternative fuel vehicles.	Contact Us Sign up for e-mail alerts, request science DVDs or send us comments on our science coverage. RSS Feeds Get the latest science updates and in-depth reports. Podcasts Download audio versions of our science reports.

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