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Arctic Ocean Is on Thin Ice: European Satellite Confirms Numbers
February 13, 2013 — The September 2012 record low in Arctic sea-ice extent was big news, but a missing piece of the puzzle was lurking below the ocean's surface. What volume of ice floats on Arctic waters? And how does ... > full story -
New Doppler Radar Wind Profiler Will Replace Old System Near Shuttle Landing Facility
February 12, 2013 — As NASA moves forward next year to place instruments on the International Space Station to take ocean-surface wind speed and direction measurements, the Ground Systems Development and Operations ... > full story -
Crew Rotation and Passenger Connections Spread Flight Delays, Study Finds
February 12, 2013 — Researchers say that crew rotation and passengers connections systematically spread flight delays due to a domino effect. The work, that proposes a new methodology to assess the degree of air traffic ... > full story -
TB Infection Rates Set to 'Turn Clock Back to 1930s'
February 11, 2013 — Tuberculosis looks set to defy concerted efforts to treat it successfully with powerful drugs, turning the clock back to the 1930s, warn ... > full story -
Security Risks of Extreme Weather and Climate Change
February 11, 2013 — A new study, conducted specifically to explore the forces driving extreme weather events and their implications for national security planning over the next decade, finds that the early ramifications ... > full story -
Tree Die-Off Triggered by Hotter Temperatures
February 11, 2013 — Scientists have determined that the recent widespread die-off of Colorado trembling aspen trees is a direct result of decreased precipitation exacerbated by high summer temperatures. The die-off, ... > full story -
To Quiver or to Shiver: Explaining Warning Signal Diversity in Wood Tiger Moths
February 8, 2013 — A central question in evolutionary biology is what causes the diversity of appearance seen in animals of the same species? Diversity is the raw material evolution has to act on, and this is why it is ... > full story -
New Way to Identify Which El Niño Events Will Have Biggest Impact on U.S. Winter Weather
February 8, 2013 — Weather forecasters have long known that El Niño events can throw seasonal climate patterns off kilter, particularly during winter months. Now, new research suggests that a different way to ... > full story -
NASA Scientists Build First-Ever Wide-Field X-Ray Imager
February 7, 2013 — Three NASA scientists teamed up to develop and demonstrate NASA's first wide-field-of-view soft X-ray camera for studying "charge exchange," a poorly understood phenomenon that occurs when the solar ... > full story -
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Poll: Americans Back Climate Change Regulation, Not Taxes
February 7, 2013 — Now that President Obama has put climate change back on the table in his second inaugural address, a new national poll finds growing public support for regulating greenhouse gas emissions and ... > full story
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