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Built-in molecular brakes curb the sniffles
Researchers at Johns Hopkins have discovered how our anti-infection machinery turns itself down and limits the sniffles, congestion and fevers that are a side effect of the campaign against invading viruses. view more (2007-01-18)
As Andean glacier retreats, tiny life forms swiftly move in, CU-Boulder study shows
A University of Colorado at Boulder team working at 16,400 feet in the Peruvian Andes has discovered how barren soils uncovered by retreating glacier ice can swiftly establish a thriving community of microbes, setting the table for lichens, mosses and alpine plants. view more (2008-09-09)
Animal model shows early promise for SARS vaccine (p 1895)
Embargoed 0001 h (London time) 5 December 2003. US authors of a research letter in this week's issue of THE LANCET highlight preliminary findings which could mark an important step in the development of a human vaccine for severe acute respiratory syndrome (SARS). A genetically engineered vaccine was found to be effective in triggering an immune... view more... (2003-12-03)
Researchers link Ice Age climate-change records to ocean salinity
Sudden decreases in temperature over Greenland and tropical rainfall patterns during the last Ice Age have been linked for the first time to rapid changes in the salinity of the north Atlantic Ocean. view more (2006-10-05)
Venus comes to life at wavelengths invisible to human eyes
A pale yellow-green dot to the human eye, Earth's twin planet comes to life in the ultraviolet and the infrared. New images taken by instruments on board ESA's Venus Express provide insight into the turbulent atmosphere of our neighbouring planet. view more (2008-12-04)
A plum assignment
Plums: they're sweet, juicy, and packed with beneficial antioxidants and dietary fiber. Although there are many varieties available to consumers, there are two main types of the small, purple fruit: Japanese plums and European plums. view more (2008-09-30)
Will global warming increase plant frost damage?
Widespread damage to plants from a sudden freeze that occurred across the Eastern United States from 5 April to 9 April 2007 was made worse because it had been preceded by two weeks of unusual warmth, according to an analysis published in the March 2008 issue of BioScience. view more (2008-03-03)
UT-ORNL researchers take step toward understanding superconductivity
A research group at the University of Tennessee and Oak Ridge National Laboratory led by physics professor Pengcheng Dai, along with collaborators at Boston College, has taken a step toward understanding a great physical mystery. view more (2007-12-26)
Critical turning point can trigger abrupt climate change
Ice ages are the greatest natural climate changes in recent geological times. Their rise and fall are caused by slight changes in the Earth's orbit around the Sun due to the influence of the other planets. view more (2009-04-21)
Melting ice under pressure
The deep interior of Neptune, Uranus and Earth may contain some solid ice. Through first-principle molecular dynamics simulations, Lawrence Livermore National Laboratory scientists, together with University of California, Davis collaborators, used a two-phase approach to determine the melting temperature of ice VII (a high-pressure phase of ice)... view more... (2008-09-24)
Research finds evidence tropical cyclones have climate-control role
Purdue University researchers have found evidence that tropical cyclones and hurricanes play an important role in the ocean circulation patterns that transport heat and maintain the climate of North America and Europe. view more (2007-06-01)
Flip flops, mulch and no coat
At a time when over half of US children (aged 3-6) are in child care centers, and growing concern over childhood obesity has led physicians to focus on whether children are getting enough physical activity, a new study of outdoor physical activity at child care centers, conducted by researchers at Cincinnati Children's Hospital Medical Center, has... view more... (2008-05-05)
Radiation-killed bacteria vaccine induces broad immune response in mice
Vaccines made with bacteria killed by gamma irradiation, rather than by standard methods of heat or chemical inactivation, may be more effective, say researchers supported by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH). view more (2006-07-26)
Researchers Examine Evolution of Genes that Trigger the Body's Immune Response to Viral Infection
Virginia Commonwealth University Institute of Molecular Medicine researchers have traced the evolutionary origin of two genes that serve as primary cellular sensors of infection with RNA viruses, such as influenza, poliovirus, West Nile virus, and HIV, which may ultimately provide researchers with insight into a possible new pathway for the... view more... (2008-10-22)
UPMC performs first beating heart transplant procedure in the US
Protected by its own nutrients and blood supply, a beating heart supported by an investigational organ preservation device was successfully transplanted into a 47-year-old man with congestive heart failure and pulmonary hypertension on Sunday, April 8. view more (2007-05-18)
Hubble's 17th anniversary -- extreme star birth in the Carina Nebula
Hubble's new view of the Carina Nebula shows the process of star birth at a new level of detail. view more (2007-04-25)
Scottish mountain rescue teams need better medical training
Mountain rescue teams need to be better trained to cope with medical emergencies in such challenging conditions, suggests research in Emergency Medicine Journal. The author analysed mountain rescue team responses to 622 emergency call-outs made by mountaineers in the Scottish Highlands in 1998 and 1999. In all, 333 people were rescued alive, over... view more... (2003-05-13)
Study finds surprising new pathway for North Atlantic circulation
Oceanographers have long known that the 20-year-old paradigm for describing the global ocean circulation- called the Great Ocean Conveyor - was an oversimplification. It's a useful depiction, but it's like describing Beethoven's Fifth Symphony as a catchy tune. view more (2009-05-14)
Expedition discovers new sea current off African coast
Researchers on board the Pelagia, the research vessel belonging to the Netherlands Institute for Sea Research (NIOZ), have discovered an interesting rotational current in the sea off the coast of South Africa. Unlike previously identified 'Agulhas rings', this one, a cyclone, rotates clockwise. The water in the centre is also about 50 centimetres... view more... (2001-07-26)
Wanting a bite of everything: Hungry people crave more variety
You're whale watching in Alaska, longing for a margarita and a spot on a beach. You think to yourself, "How did I get here" I hate the cold. view more (2007-09-13)
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