Gold nuggets reveal their inner secrets
A study of the characteristics of gold nuggets from around Australia has overturned many years of accepted scientific wisdom on how nuggets form.
A study of the characteristics of gold nuggets from around Australia has overturned many years of accepted scientific wisdom on how nuggets form.
Earth Sciences
Oct 16, 2007
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The US Environmental Protection Agency must take a more aggressive leadership role in implementing the Clean Water Act if water quality in the Mississippi River and the northern Gulf of Mexico is to improve, says a new report ...
Environment
Oct 16, 2007
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The Mississippi Delta region was losing land long before Hurricane Katrina came ashore. But the correlation between land loss and the risk of flooding in the region is now more evident than ever.
Earth Sciences
Oct 16, 2007
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As Texas’ electric grid operator prepares to add power lines for carrying future wind-generated energy, an electrical engineer at The University of Texas at Austin is developing improved methods for determining the extent ...
Engineering
Oct 16, 2007
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Observations of I Zwicky 18 at the Palomar Observatory around 40 years ago seemed to show that it was one of the youngest galaxies in the nearby Universe. The studies suggested that the galaxy had erupted with star formation ...
Astronomy
Oct 16, 2007
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Researchers have shown how tiny "nanorods" of gold can be triggered by a laser beam to blast holes in the membranes of tumor cells, setting in motion a complex biochemical mechanism that leads to a tumor cell's self-destruction.
Bio & Medicine
Oct 16, 2007
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The High Resolution Stereo Camera (HRSC) on ESA’s Mars Express orbiter has obtained pictures of the Noachis Terra region on Mars, in particular, the striking Maunder crater.
Space Exploration
Oct 16, 2007
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TC-1, one of the two satellites of the CNSA/ESA Double Star mission, was decommissioned on 14 October as its designed orbit lifetime came to an end. The satellite re-entered Earth’s atmosphere and turned to dust during ...
Space Exploration
Oct 16, 2007
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For the first time theoretical modeling has provided a glimpse into how promising dielectric materials are able to trap charges, something which may affect the performance of advanced electronic devices. This is revealed ...
Condensed Matter
Oct 16, 2007
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Ninety-seven years after an American was hanged in London in one of the most notorious and famous murder cases in British history, forensic science at Michigan State University is producing evidence that his execution was ...
Other
Oct 16, 2007
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