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5 hours ago | News
Graphene—carbon formed into sheets a single atom thick—now appears to be a promising base material for capturing hydrogen, according to recent research at the National Institute of Standards and Technology (NIST) and the Univ. of Pennsylvania. The findings suggest stacks of graphene layers could potentially store hydrogen safely for use in fuel cells and other applications.
Mar 16 | News
Images from the recent flyby of Phobos—a proposed landing for an upcoming mission—were captured on the rarely seen “dark side” of the Martian moon thanks to the highly elliptical orbit of the Mars Express that takes outside the moon’s path. The images were also taken as part of the High Resolution Stereo Camera experiment.
Mar 5 | News
According to findings by Univ. of Rochester researchers who visited sites in Africa known to contain extremely old rocks, the Earth’s magnetic field 3.5 billion years ago was only half as strong as it is today. This may mean the Sun took away much of Earth’s hydrogen and water.
Mar 3 | News
Phytoplankton are single-celled organisms that serve as the base of the marine food web and provide half the oxygen we breathe on Earth. They also play a key role in global climate change by removing carbon from the atmosphere and injecting it deep into the oceans.
Mar 2 | News
Astronomers from the United States and Europe have used a gravitational lens—a distant, light-bending clump of dark matter—to make a new estimate of the Hubble constant, which determines the size and age of the universe.
Feb 12 | News
A new Univ. of California, Davis, study by a top ecological forecaster says it is harder than experts thought to predict when sudden shifts in Earth's natural systems will occur—a worrisome finding for scientists trying to identify the tipping points that could push climate change into an irreparable global disaster.
Feb 12 | News
Researchers at Queen’s Univ. suggest that policy makers examine greenhouse gas (GHG) emissions implications for energy infrastructure as fossil fuel sources must be rapidly replaced by windmills, solar panels and other sources of renewable energy.
Feb 9 | News
The weather system at the National Oceanic and Atmospheric Administration is set to intensify. The new Climate Service was announced this week, and it combines the various units of the Weather Service and Ocean Service that have been studying climate change. Pending congressional committee approval, the office will appear at the end of 2010.
Feb 4 | News
The fact that glaciers in the Himalayan mountains are thinning is not disputed. However, few researchers have attempted to rigorously examine and quantify the causes. A scientist from Lawrence Berkeley National Laboratory set out to isolate the impacts of the most commonly blamed culprit—greenhouse gases, such as carbon dioxide—from other particles in the air that may be causing the melting.
Jan 28 | News
A study provides new information about the rates at which three of the most powerful greenhouse gases are destroyed by a chemical reaction that takes place in the upper atmosphere.