When a piece of metal is cooled down, it becomes easier for electrons to move through the material. Therefore, the electrical resistance of a metal normally decreases with lower temperatures. However, in the presence of magnetic ...
General Physics
Jan 25, 2013
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Because carbon dioxide (CO2) gas is a freely available resource, there are concerted efforts worldwide to convert this molecule into a chemical feedstock. Zhaomin Hou and colleagues from the RIKEN Advanced Science Institute ...
Materials Science
Jan 25, 2013
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All modern electronics are based on the fundamental concept of electrical charges moving through a circuit. There are, however, alternative schemes that promise faster and more efficient types of computing. An example is ...
Quantum Physics
Jan 25, 2013
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Researchers from computer firm IBM say they have invented a new non-toxic gel that can kill deadly drug-resistant bacteria by cutting through the sludge that shelters them and attacking the germ's cell membrane.
Cell & Microbiology
Jan 25, 2013
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A new map of potential sea turtle nesting spots, including remote locations cut off by conflict, will help researchers track how the reptiles respond to climate change, turtle experts said today.
Ecology
Jan 25, 2013
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Screenplays of Laurence Olivier's unmade film version of Macbeth, widely thought to have been lost, have been uncovered by a University of Exeter academic. English Lecturer Dr Jennifer Barnes located 13 previously unstudied ...
Other
Jan 25, 2013
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A sophisticated X-ray technology is paving the way to uncover the secrets of a 380-year-old Rembrandt masterpiece. Underneath the "Old Man in Military Costume", painted by the Dutch artist in the years 1630-31, previous investigations ...
Materials Science
Jan 25, 2013
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Programmed cell death, or apoptosis, occurs tens of millions of times every day in every human body. Researchers in South Korea have devised an easy method to detect apoptotic cells by fluorescence, as they report in Chemistry—An ...
Biochemistry
Jan 25, 2013
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(Phys.org)—Starting as a few atoms long, thorns forming on the electrode's surface in a specialized lithium battery cause the battery to gradually fade, according to scientists at Pacific Northwest National Laboratory (PNNL) ...
Nanomaterials
Jan 25, 2013
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(Phys.org)—Some types of carbon nanotubes used for strengthening plastics and other materials may have an adverse effect on soil microbiology and soil microbial processes, a Purdue University study shows.
Bio & Medicine
Jan 25, 2013
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