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• Acid Rain
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  Greenland Ice Sheet Carries Evidence of Increased Atmospheric Acidity

  December 7, 2012 — Studies have shown decreasing levels of the isotope nitrogen-15 in core samples from Greenland ice starting around the time of the Industrial Revolution. New research suggests the decline corresponds ... > full story
• Batteries
  Energy and the Environment
  Electricity
  Energy Technology
  Renewable Energy
  Vehicles
   
  

  World's First Demonstration of Power Transfer from Wheels to Power an Electric Car

  December 5, 2012 — Electric vehicles (EV) have ten times higher energy performance than automobiles powered by gasoline-based engines. However, they are not yet popular with drivers due to the need to store large ... > full story
• Vehicles
  Transportation Science
  Civil Engineering
  Engineering
  Energy Policy
  Physics
   

  Driverless Vehicles Expected to Navigate Intersection of Safety, Speed

  December 4, 2012 — A step-by-step procedure, or algorithm, for managing driver-less vehicles through intersections is described in new ... > full story
• Forest
  Trees
  Acid Rain
  Air Pollution
  Geochemistry
  Rainforests
   
  

  Canopy Structure More Important to Climate Than Leaf Nitrogen Levels, Study Claims

  December 3, 2012 — Claims that forest leaves rich in nitrogen may aid in reflecting infrared radiation -- thereby cooling the atmosphere -- have been challenged by new research that shows that the structure of forests' ... > full story
• NASA
  Mars
  Space Missions
  Space Exploration
  Solar System
  Astronomy
   
  

  One Year After Launch, Curiosity Rover Busy on Mars

  November 27, 2012 — The NASA Mars rover Curiosity began its flight to Mars on Nov. 26, 2011, from Cape Canaveral Air Force Station, Fla., tucked inside the Mars Science Laboratory spacecraft. One year after launch and ... > full story
• Smoking Addiction
  Smoking
  Vitamin D
  Children's Health
  Child Psychology
  Educational Psychology
   
  

  Just Ten Minutes in a Car With a Smoker Boosts Harmful Pollutants by Up to Thirty Percent

  November 21, 2012 — Just ten minutes spent in the back seat of a car with a smoker in the front, boosts a child's daily exposure to harmful pollutants by up to 30 percent, reveals new ... > full story
• Space Exploration
  Space Missions
  Space Probes
  NASA
  Mars
  Astronomy
   
  

  Instrument Delivered for NASA's Upcoming Mars Mission

  November 19, 2012 — A remote sensing instrument that will peer into the ultraviolet to offer clues to how Mars might have lost its atmosphere has arrived at Lockheed Martin for integration into NASA's Mars Atmosphere ... > full story
• NASA
  Space Station
  Astronomy
  Space Exploration
  Space Missions
  Vehicles
   
  

  Ah, That New Car Smell: NASA Technology Protects Spacecraft from Outgassed Molecular Contaminants

  November 19, 2012 — Outgassing -- the physical process that creates that oh-so-alluring new car smell -- isn't healthy for humans and, as it turns out, not particularly wholesome for sensitive satellite instruments, ... > full story
• Materials Science
  Alternative Fuels
  Civil Engineering
  Nanotechnology
  Chemistry
  Vehicles
   
  

  Clues to Cause of Hydrogen Embrittlement in Metals: Findings Could Guide Design of New Embrittlement-Resistant Materials

  November 19, 2012 — Hydrogen can easily dissolve and migrate within metals to make these otherwise ductile materials brittle and more prone to failures. Now, researchers have shown that the physics of hydrogen ... > full story
• Aviation
  Birds
  Vehicles
  Acoustics
  Wind Energy
  Physics
   
  

  Owls' Ability to Fly in Acoustic Stealth Provides Clues to Mitigating Conventional Aircraft Noise

  November 19, 2012 — Owls have the uncanny ability to fly silently, relying on specialized plumage to reduce noise so they can hunt in acoustic stealth. Researchers are studying the owl’s wing structure to better ... > full story

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