On 4 March 1997 the Mars Pathfinder lander fell through the thin Martian atmosphere. During its descent, instrumentation aboard the lander recorded the changing atmospheric temperature, pressure, and density.
Space Exploration
Feb 14, 2012
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Anthropogenic climate warming is leading to consideration of options for geoengineering to offset rising carbon dioxide levels. One potential technique involves injecting artificial sea spray into the atmosphere. The sea ...
Earth Sciences
Feb 14, 2012
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Within Yellowstone National Park, the water emanating from the park's famous hot springs and geysers seems to belong to either one of two distinct types. In some areas, subterranean waters rich in chlorine and dissolved silicates ...
Environment
Feb 14, 2012
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Women with advanced degrees in math-intensive academic fields drop out of fast-track research careers primarily because they want children – not because their performance is devalued or they are shortchanged during interviewing ...
Social Sciences
Feb 14, 2012
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Volcanic ash can severely damage airplanes, and eruptions such as the 2010 Eyjafjallajokull eruption may result in major disruption to air travel. Improved forecasting of ash cloud locations and concentrations could benefit ...
Earth Sciences
Feb 14, 2012
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When a beginning reader reads aloud, her progress is apparent: Hunched over a book, little index finger blazing the way, she moves intently from sound to sound, word to word.
Social Sciences
Feb 14, 2012
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The University of Michigan's first human embryonic stem cell line will be placed on the U.S. National Institutes of Health's registry, making the cells available for federally-funded research. It is the first of the stem ...
Cell & Microbiology
Feb 14, 2012
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The American West has seen a recent increase in large wildfires due to droughts, the build-up of combustible fuel, or biomass, in forests, a spread of fire-prone species and increased tree mortality from insects and heat.
Environment
Feb 14, 2012
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Consumers who are having trouble making decisions can benefit from creating some psychological—or physical—distance, according to a new study in the Journal of Consumer Research.
Social Sciences
Feb 14, 2012
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Over their 3.8 billion years of evolution, living organisms have developed countless strategies for monitoring their surroundings. Chemists at UC Santa Barbara and University of Rome Tor Vergata have adapted some of these ...
Analytical Chemistry
Feb 14, 2012
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