NASA trapped Mars Rover finds evidence of subsurface water
(PhysOrg.com) -- The ground where NASA's Mars Exploration Rover Spirit became stuck last year holds evidence that water, perhaps as snow melt, trickled into the subsurface fairly recently and on a...
View ArticleInsoluble dust particles can form cloud droplets affecting global and...
New information on the role of insoluble dust particles in forming cloud droplets could improve the accuracy of regional climate models, especially in areas of the world that have significant amounts...
View ArticleMars scientist explains why NASA chose Gale Crater for new rover
NASA chose Gale Crater as a landing site for its Mars Science Laboratory rover because the giant crater probably had conditions that may have once hosted life. The bottom layers near the crater floor...
View ArticleAn electronic tongue for protein analysis
(Phys.org)—Electronic noses are used to sniff out exhaust fumes and assist with quality control of foods. Less well known is the fact that equivalent devices, electronic tongues, are capable of...
View ArticleClays on Mars: More plentiful than expected
(Phys.org)—A new study co-authored by the Georgia Institute of Technology indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of...
View ArticleDust involved in sulfate production in clouds
(Phys.org) —A new study from Germany has studied the tiny dust particles within clouds and their influence on the climate. The influence of dust particles on cloud formation and on the chemical...
View ArticleOpportunity rover finds mineral vein deposited by water
(PhysOrg.com) -- NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water. Analysis of the vein will help improve understanding of the...
View ArticleInjecting sulfate particles into stratosphere won't fully offset climate change
As the reality and the impact of climate warming have become clearer in the last decade, researchers have looked for possible engineering solutions such as removing carbon dioxide from the atmosphere...
View ArticleSearching salt for answers about life on Earth, Mars
Wichita State University associate professor Mark Schneegurt recently had a paper published in the journal Astrobiology.
View ArticleNew catalyst could improve production of glass alternatives
(Phys.org) -- University of Oregon chemists have identified a catalyst that could dramatically reduce the amount of waste made in the production of methyl methacrylate, a monomer used in the...
View ArticleManaging soil copper in crops irrigated with cattle footbath wastewater
Getting a head start on stopping soil copper buildup will now be a bit easier, thanks to studies by U.S. Department of Agriculture (USDA) scientists. This research could help Pacific Northwest farmers...
View ArticleResearchers find way to protect historic limestone buildings
Buildings and statues constructed of limestone can be protected from pollution by applying a thin, single layer of a water-resistant coating.
View ArticleScientists probe Canadian sulfide ore to confirm microbial activity in...
An analysis of sulfide ore deposits from one of the world's richest base-metal mines confirms that oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were...
View ArticleChemCam follows the 'Yellowknife Road' to Martian wet area
(Phys.org)—Researchers from Los Alamos National Laboratory and the French Space Agency have tracked a trail of minerals that point to the prior presence of water at the Curiosity rover site on Mars.
View ArticleCuriosity hammers into Mars rock in historic feat
A robot from Earth has successfully drilled into a Martian rock for the first time ever and exposed pristine alien material for high powered science analysis.
View ArticleChemical signature of global El Nino events opens window to reconstructing...
Particles from the upper atmosphere trapped in a deep pile of Antarctic snow hold clear chemical traces of global meteorological events, a team from the University of California, San Diego and a...
View ArticleAstronomers open window into Europa's ocean
(Phys.org) —With data collected from the mighty W. M. Keck Observatory, California Institute of Technology (Caltech) astronomer Mike Brown—known as the Pluto killer for discovering a Kuiper-belt object...
View ArticleAmmonium salts could provide viable way of removing carbon dioxide from...
Removing excess carbon dioxide (CO2) from the atmosphere may be essential to curb severe climate change. Possible, but expensive, methods include burying the gas underground between rock layers or...
View ArticlePenetrating the quantum nature of magnetism
Antiferromagnets are materials that lose their apparent magnetic properties when cooled down close to absolute zero temperature. Different to conventional magnets, which can be described with classical...
View ArticleTracking the ravages of time: Aging mechanism of historical chrome yellow...
(Phys.org) —The discoloration of some pigments used in impressionist paintings has been observed since the 19th century. Belgian researchers have now investigated how the colors of chrome yellow...
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