Browse News Stories
491 to 500 of 3,406 stories
view headlines only
-
In Forests, Past Disturbances Obscure Warming Impacts
March 5, 2012 Past disturbances, such as logging, can obscure the effects of climate change on forest ecosystems. So reports a new study. The article, exploring nitrogen dynamics, found that untangling climate ... > full story -
Gasoline Worse Than Diesel When It Comes to Some Types of Air Pollution
March 2, 2012 The exhaust fumes from gasoline vehicles contribute more to the production of a specific type of air pollution-secondary organic aerosols -than those from diesel vehicles, according to a new ... > full story -
Cold Air Chills Heart's Oxygen Supply, Making Snow Shoveling Dangerous for Some People
February 28, 2012 People with heart disease may not be able to compensate for their bodies' higher demand for oxygen when inhaling cold air, according to researchers, making snow shoveling and other activities ... > full story -
Salty Soil Can Suck Water out of Atmosphere: Could It Happen on Mars?
February 27, 2012 The frigid McMurdo Dry Valleys in Antarctica are a cold, polar desert, yet the sandy soils there are frequently dotted with moist patches in the spring despite a lack of snowmelt and no possibility ... > full story -
Female Sex Hormones Can Weaken the Ability of Fish to Protect Themselves Against Environmental Toxins
February 24, 2012 It is well known that female sex hormones (estrogens) that end up in rivers and lakes, primarily via spillage from sewers and livestock farming, pose a threat to the environment. Some environmental ... > full story -
Are You Making Your Spring Allergies Worse? Five Things That Can Aggravate Your Suffering
February 24, 2012 Read about the five things you might be doing that are actually making your spring allergy symptoms ... > full story -
Aircraft of the Future Could Capture and Re-Use Some of Their Own Power
February 23, 2012 Tomorrow's aircraft could contribute to their power needs by harnessing energy from the wheel rotation of their landing gear to generate electricity. They could use this to power their taxiing to and ... > full story -
Oil Sands Pollution Comparable to a Large Power Plant
February 22, 2012 In the first look at the overall effect of air pollution from the excavation of oil sands, also called tar sands, in Alberta, Canada, scientists used satellites to measure nitrogen dioxide and sulfur ... > full story -
Low Levels of Fallout from Fukushima, U.S. Study Finds
February 22, 2012 Fallout from the 2011 Fukushima Dai-ichi nuclear power facility in Japan was measured in minimal amounts in precipitation in the United States in about 20 percent of 167 sites sampled in a nationwide ... > full storyMore: -
Gases Drawn Into Smog Particles Stay There
February 21, 2012 Airborne gases get sucked into stubborn smog particles from which they cannot escape, according to new findings. These finding could explain why air pollution models underestimate organic ... > full story
Search ScienceDaily
Number of stories in archives: 138,608

