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'Warming Hole' Delayed Climate Change Over Eastern United States
April 26, 2012 — Climate scientists have discovered that particulate pollution in the late 20th century created a "warming hole" over the eastern United States -- that is, a cold patch where the effects of global ... > full story -
Energy and the Environment
Energy Technology
Renewable Energy
Environmental Science
Solar Energy
Sustainability
New Harvesting Approach Boosts Energy Output from Bacteria
April 25, 2012 — A novel energy system increases the amount of energy harvested from microbial fuel cells by more than 70 ... > full story -
Liquid Solar Cells Can Be Painted Onto Surfaces
April 25, 2012 — Scientists have developed a potential pathway to cheap, stable solar cells made from nanocrystals so small they can exist as a liquid ink and be painted or printed onto clear ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
Geology
Earth Science
Atmosphere
Environmental Issues
Tiny 'Spherules' Reveal Details About Earth's Asteroid Impacts
April 25, 2012 — Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ... > full story -
Antibiotic Resistance Flourishes in Freshwater Systems
April 25, 2012 — Researchers have now discovered that floc – “goo-like” substances that occur suspended in water and that host large communities of bacteria – also contain high levels of ... > full story -
Can Organic Food Feed the World? New Study Sheds Light on Debate Over Organic Vs. Conventional Agriculture
April 25, 2012 — Can organic agriculture feed the world? Although organic techniques may not be able to do the job alone, they do have an important role to play in feeding a growing global population while minimizing ... > full story -
Plant Perfumes Woo Beneficial Bugs to Their Roots
April 24, 2012 — Scientists have discovered that maize crops emit chemical signals which attract growth-promoting microbes to live amongst their roots. This is the first chemical signal that has been shown to attract ... > full story -
Graphene Boosts Efficiency of Next-Gen Solar Cells
April 24, 2012 — Scientists found that incorporating graphene increased the cell's conductivity, bringing 52.4 percent more current into the ... > full story -
Do Urban 'Heat Islands' Hint at Trees of Future?
April 24, 2012 — A new study shows that common native red oak seedlings grow as much as eight times faster in New York's Central Park than in more rural, cooler settings in the Hudson Valley and Catskill Mountains. ... > full story -
Study Finds Surprising Arctic Methane Emission Source
April 24, 2012 — The fragile and rapidly changing Arctic region is home to large reservoirs of methane, a potent greenhouse gas. As Earth's climate warms, the methane, frozen in reservoirs stored in Arctic tundra ... > full story -
Following Life's Chemistry to the Earliest Branches on the Tree of Life
April 24, 2012 — Scientists have traced the development of life-sustaining chemistry to the earliest forms of life on ... > full storyMore: -
Scientists Discover Bilayer Structure in Efficient Solar Material
April 24, 2012 — Detailed studies of one of the best-performing organic photovoltaic materials reveal an unusual bilayer lamellar structure that may help explain the material's superior performance at converting ... > full story
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