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Where is the proton? Yale scientists discover footprints of shared protons
This week in Science, Yale researchers present "roadmaps" showing that shared protons, a common loose link between two biological molecules, simply vibrate between the molecules as a local oscillator, rather than intimately entangling with the molecular vibrations of the attached molecules. view more (2007-04-13)
Mechanical engineering helps research into the liver
Artificial glass livers being developed at the University of Leeds could help those suffering from liver failure, and improve understanding of how the organ works, researchers believe. Dr Peter Walker of mechanical engineering is leading Leeds' contribution to a three-year £320,000 project that aims to replicate the geometry of the liver,... view more... (2004-01-26)
Simple drug treatment may prevent nicotine-induced SIDS: Study
A new study has identified a specific class of pharmaceutical drugs that could be effective in treating babies vulnerable to Sudden Infant Death Syndrome (SIDS), because their mothers smoked during pregnancy. view more (2009-06-03)
Are hurricanes increasing? Ask a Georgia pine tree
Centuries of hurricane records have been discovered in the rings of southeastern US pine trees. view more (2005-08-11)
Montana State University researchers find gene that regulates mold's resistance to drugs
Montana State University scientists concerned about lethal mold infections have found a gene that regulates the mold's resistance to drugs. view more (2008-11-07)
Scientists levitate diamond, lead and platinum
Scientists at The University of Nottingham have successfully levitated diamond and some of the heaviest elements, including lead and platinum. view more (2005-05-11)
Snail fossils suggest semiarid eastern Canary Islands were wetter 50,000 years ago
Fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands show that the Spanish archipelago off the northwest coast of Africa has become progressively drier over the past 50,000 years. view more (2009-10-28)
How vitamin C stops the big 'C'
Nearly 30 years after Nobel laureate Linus Pauling famously and controversially suggested that vitamin C supplements can prevent cancer, a team of Johns Hopkins scientists have shown that in mice at least, vitamin C - and potentially other antioxidants - can indeed inhibit the growth of some tumors - just not in the manner suggested by years of... view more... (2007-09-11)
Gut Ecology in Transplant Patients
Small-bowel transplant patients with an ileostomy -- an opening into their small bowel -- have a very different population of bacteria living in their gut than patients whose ileostomy has been closed, researchers from UC Davis and Georgetown University Medical Center have found. view more (2009-09-16)
Researchers identify protein pathway involved in Parkinson disease development
Scientists have found a novel signaling pathway in cells that is altered by genetic mutations recently identified in Parkinson disease development. view more (2007-06-19)
Climate change has surprising effect on endangered naked carp
Forthcoming in the January/February 2007 issue of Physiological and Biochemical Zoology, a groundbreaking study reveals an unanticipated way freshwater fish may respond to water diversion and climate change. view more (2006-12-20)
Unraveling how cells respond to low oxygen
Gary Chiang, Ph.D., and colleagues at Burnham Institute for Medical Research (Burnham) have elucidated how the stability of the REDD1 protein is regulated. view more (2009-08-06)
Scientists learn role of oxidative stress in estrogen-related bone loss
Scientists have discovered new information about an immune pathway in mice that explains how oxidative stress that results from acute estrogen deficiency leads to the loss of bone. view more (2007-09-11)
UT Southwestern researchers investigate predictors for sickle-cell-anemia complications
Researchers at UT Southwestern Medical Center have determined that the level, or saturation, of oxygen in blood could be used to identify children with sickle cell anemia who are at an increased risk of stroke. view more (2008-02-29)
Microbes use sunscreens too
Microbes can withstand extreme levels of atmospheric ultraviolet light (UV) by producing their own sunscreens. Unlike humans, some bugs may even be able to survive without any help from the ozone layer scientists heard today (Thursday 19 September) at the Society for General Microbiology autumn meeting at Loughborough University. "A group of... view more... (2002-08-28)
Researchers link master regulator of innate immunity to the hypoxic response
Survival of all animals depends on their ability to withstand microbial infections and adapt to fluctuations in oxygen concentrations. view more (2008-04-24)
New light-emitting biomaterial could improve tumor imaging, study shows
A new material developed at the University of Virginia - an oxygen nanosensor that couples a light-emitting dye with a biopolymer - simplifies the imaging of oxygen-deficient regions of tumors. view more (2009-08-11)
Heavy Metal Rocks Plant Cells too
Heavy metals can trigger widely varying stress reactions in plants. A team at the Campus Vienna Biocenter was now able to provide evidence for this in a research funded by the Austrian Science Fund (FWF). The results, now awaiting publication, are an important basis to comprehend how plants cope with an increase in heavy metal concentrations in... view more... (2004-09-22)
Research findings contradict longstanding bias against morphine
A report written by an OHSU physician with more than a half century of medical experience contradicts both public and professional bias against the use of morphine in the final stage of life for patients with breathing difficulties. view more (2005-12-01)
Sulfur signature changes thoughts on atmospheric oxygen
Ancient sediments that once resided on a lake bed and the ocean floor show sulfur isotope ratios unlike those found in other samples from the same time, calling into question accepted ideas about when the Earth's atmosphere began to contain oxygen. view more (2006-08-24)
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