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U-M scientist says Mars winds could pose challenges
07-27-2007 · EurekAlert!Martian winds probably won't cause serious problems for NASA's upcoming Phoenix Mars Lander mission, but could complicate efforts to collect soil and ice at the landing site, according to University of Michigan atmospheric scientist Nilton Renno.
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- U-M scientists simulate effects of blowing Mars dust
06-14-2007 · EurekAlert!
Gusting winds and the pulsating exhaust plumes from the Phoenix spacecraft's landing engines could complicate NASA's efforts to sample frozen soil from the surface of Mars, according to University of Michigan atmospheric scientist Nilton Renno.
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- Aerosol pollution slows down winds and reduces rainfall
01-22-2007 · EurekAlert!
Near-surface winds provide a renewable source of clean energy and evaporate water, helping rain clouds to build up. But aerosolized particles created from vehicle exhaust and other contaminants can accumulate in the atmosphere and reduce the speed of winds closer to the Earth's surface, which results in less wind power available for wind-turbine electricity and also in reduced precipitation, according to a study by Stanford and NASA researchers.
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- Cutting-edge Methods For Analyzing Complex Molecular Interactions
10-05-2006 · ScienceDaily
With the genomes of hundreds of organisms now catalogued, one of the next major challenges is to identify proteins and their interactions. The current issue of CSH Protocols, published online, features two freely available, cutting-edge methods that address this challenge.
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- Chronic conditions in children will pose future health and welfare challenges
06-26-2007 · EurekAlert!
The increased incidence of chronic conditions among American children predicts serious strains on health care and social welfare systems in the future, caution investigators from Massachusetts General Hospital and Harvard School of Public Health.
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- New weather, old pipes challenge nation's water supply
02-16-2007 · EurekAlert!
The difficult separation of drinking water and sewage may face more challenges than its aging infrastructure can withstand as unpredictable weather conditions produce floods that beset the nation, a Michigan State University water expert says.The nation needs better ways to monitor the safety of drinking water, Joan Rose, MSU's Nowlin Chair in water research, told the American Association for the Advancement of Science annual meeting Friday.
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- Texas A&M scientist probes bullet evidence to challenge findings in JFK assassination
05-17-2007 · EurekAlert!
Researchers at Texas A&M University are combining statistics and chemistry to shoot holes in traditional bullet-lead analysis techniques and the accuracy of so-called "expert" testimony -- specifically, calling into question critical evidence that has long supported the theory of a lone gunman in the 1963 assassination of United States President John F. Kennedy.
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- New oxidation methods streamline synthesis of important compounds
08-02-2007 · EurekAlert!
One of the fundamental challenges facing organic synthesis in the 21st century is the need to significantly increase the efficiency with which carbon frameworks can be constructed and functionalized. Chemists at the University of Illinois are helping to meet this challenge by developing a class of carbon-hydrogen catalysts that are highly selective, reactive and tolerant of other functionality.
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- First X-ray detection of a colliding-wind binary beyond the Milky Way
02-16-2007 · European Space Agency (ESA)
Imagine two stars with winds so powerful that they eject an Earth's worth of material roughly once every month. Next, imagine those two winds colliding head-on. Such titanic collisions produce multimillion-degree gas, which radiates brilliantly in X-rays. Astronomers have conclusively identified the X-rays from about two-dozen of these systems in our Milky Way. But they have never seen one outside our galaxy — until now.
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- First X-ray detection of a colliding-wind binary beyond Milky Way
02-16-2007 · EurekAlert!
Imagine two stars with winds so intense that they eject an Earth's worth of material roughly once every month. Next, imagine those two winds colliding head-on. Such titanic collisions produce multimillion-degree gas, which radiates brilliantly in X-rays. Astronomers have conclusively identified the X-rays from about two-dozen of these systems in our Milky Way. But they have never seen one outside our galaxy -- until now.
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- Models play important role in understanding extreme weather
03-28-2007 · EurekAlert!
When it comes to predicting weather events, however, particularly the extreme events -- such as harsh winds, impact from massive wildfires or ash resulting from volcanic eruptions -- those who work in the field face many challenges in creating models specific for Alaska's unique environment.
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