Biofilms move electrons long distances across two distinct layers, even under starving conditions
Bacteria can move electrons at least half a millimeter across a scaffolding made by themselves, of themselves, even under starving conditions. This new finding by EMSL staff and users challenges conventional ...
6 hours ago
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Molecular modelling to help create better, safer drugs
(Phys.org) —How our bodies break down the common drugs ibuprofen, diclofenac and warfarin is the subject of a new study from the University of Bristol, published in the Journal of the American Chemical So ...
7 hours ago
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US space chief updates on asteroid lasso mission (Update)
Surrounded by engineers, NASA chief Charles Bolden inspected a prototype spacecraft engine that could power an audacious mission to lasso an asteroid and tow it closer to Earth for astronauts to explore.
22 hours ago
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Dire outlook despite global warming 'pause': study
A global warming "pause" over the past decade may invalidate the harshest climate change predictions for the next 50 to 100 years, a study said Sunday—though levels remain in the danger zone.
May 19, 2013
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Century-old science helps confirm global warming
(Phys.org) —Ocean measurements taken more than 135 years ago during the scientific expedition of HMS Challenger have provided further confirmation of human-produced global warming over the past century.
May 23, 2013
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Gold nanocrystal vibration captured on billion-frames-per-second film (w/ video)
A billon-frames-per-second film has captured the vibrations of gold nanocrystals in stunning detail for the first time.
May 23, 2013
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New atmospheric modeling paradigm breaks previously accepted notions
(Phys.org) —Fortified with new evidence of particles' true disposition, scientists at Pacific Northwest National Laboratory developed a multi-dimensional modeling framework that predicts their formation ...
May 23, 2013
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Mosquito behavior may be immune response, not parasite manipulation
Malaria-carrying mosquitos appear to be manipulated by the parasites they carry, but this manipulation may simply be part of the mosquitos' immune response, according to Penn State entomologists.
May 22, 2013
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The tropical upper atmosphere 'fingerprint' of global warming
In the tropics at heights more than 10 miles above the surface, the prevailing winds alternate between strong easterlies and strong westerlies roughly every other year. This slow heartbeat in the tropical ...
May 22, 2013
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Minus environment, patterns still emerge: Computational study tracks E. coli cells' regulatory mechanisms
Environment is not the only factor in shaping regulatory patterns—and it might not even be the primary factor, according to a new Rice University study that looks at how cells' protein networks relate to ...
May 21, 2013
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Keeping stem cells strong: Biologists show that an RNA molecule protects stem cells during inflammation
When infections occur in the body, stem cells in the blood often jump into action by multiplying and differentiating into mature immune cells that can fight off illness. But repeated infections and inflammation ...
May 21, 2013
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Volcanoes cause climate gas concentrations to vary
Trace gases and aerosols are major factors influencing the climate. With the help of highly complex installations, such as MIPAS on board of the ENVISAT satellite, researchers try to better understand the ...
May 22, 2013
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Simulations show early farming might have caught on due to development of property rights
(Phys.org) —Samuel Bowles of the Santa Fe Institute and Jung-Kyoo Choib of Kyungpook National University have published a paper in Proceedings of the National Academy of Sciences theorizing that farmin ...
May 14, 2013
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Rapid climate change ruled out ice age trees
Short, sharp fluctuations in the Earth's climate throughout the last ice age may have stopped trees from getting a foothold in Europe and northern Asia, scientists say.
May 17, 2013
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