Archive: 17/08/2011

NASA plans to visit a near-Earth asteroid

In a few years a NASA spacecraft will seek the building blocks of life in a shovelful of asteroid dirt. The OSIRIS-REx spacecraft, targeted for launch in September 2016, will intercept asteroid 1999 RQ36, orbit it for a year, ...

dateAug 17, 2011 in Space Exploration
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Concerns about efforts to foster the biofuel boom

Despite growing evidence that biofuels may not be the cure-all once envisioned, many countries are still rushing headlong with biofuels development policies that experts say are having negative as well as positive impacts ...

dateAug 17, 2011 in Other
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Greenhouse gases: The measurement challenge

The continuing increase in the level of carbon dioxide and other "greenhouse gases" in the Earth's atmosphere has been identified as a cause for serious concern because it may radically accelerate changes in the Earth's climate. ...

dateAug 17, 2011 in Environment
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