ScienceDaily Top Science Headlines
for Sunday, May 29, 2011
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Significant role played by oceans in ancient global cooling (May 28, 2011) -- Thirty-eight million years ago, tropical jungles thrived in what are now the cornfields of the American Midwest and furry marsupials wandered temperate forests in what is now the frozen Antarctic. A debate has long been raging in the scientific community on what changes in our global climate system led to such a major shift from the more tropical, greenhouse climate of the Eocene to the modern and much cooler climates of today. Researchers have now found some of the strongest evidence to date that the Antarctic Circumpolar Current (ACC) played a key role in the major shift in the global climate that began approximately 38 million years ago. ... > full story
Cystic fibrosis-associated bacteria could help fight back against antibiotic resistance (May 28, 2011) -- A bacteria which infects people with cystic fibrosis could help combat other antibiotic-resistant microbes, according to new research. Scientists have discovered antibiotics from Burkholderia are effective against MRSA and even other cystic fibrosis infecting bacteria. ... > full story
Better viewing through fluorescent nanotubes when peering into innards of a mouse (May 28, 2011) -- Researchers have developed a way to see deeper -- and more clearly -- into bodily organs of laboratory mice used in studies of medications. Fluorescent carbon nanotubes, injected into the mice, provide clearer images. ... > full story
New drug treatment extends lives of men with prostate cancer (May 28, 2011) -- A drug recently approved by the U.S. Food and Drug Administration for the treatment of prostate cancer is proving to give some patients the gift of time. A new study shows abiraterone acetate extends the lives of men with the most advanced form of the disease by about four months. ... > full story
New hope of detecting gravitational waves: Final piece of Einstein's jigsaw puzzle (May 28, 2011) -- Direct evidence of the existence of gravitational waves is something that has long eluded researchers. However, new research has suggested that adding just one of the proposed detectors in Japan, Australia and India will drastically increase the expected rate of detection. ... > full story
More money, better health? (May 28, 2011) -- In the past, studies have shown little to no relation between how much money you spend and how healthy you are. But a new study has discovered a positive correlation between how much money elderly Medicare beneficiaries spend and their health outcomes. ... > full story
Chameleon magnets: Ability to switch magnets 'on' or 'off' could revolutionize computing (May 28, 2011) -- What causes a magnet to be a magnet, and how can we control a magnet's behavior? These are the questions that researchers have been exploring over many years. ... > full story
New treatment dissolves blood clots in brain tissue (May 28, 2011) -- A new treatment that treats a subset of stroke patients by combining minimally invasive surgery, an imaging technique likened to "GPS for the brain," and the clot-busting drug t-PA appears to be safe and effective, according to new research. ... > full story
Climate change and marine mammals: Winners and losers (May 28, 2011) -- Current hotspots of marine mammal diversity are concentrated in the temperate waters of the southern hemisphere, and the number of cetacean and pinniped species will likely remain highest in these areas in the coming 40 years -- regardless of climate change. However, on the level of individual species the picture may be different: Whereas about half the species of marine mammals will experience some loss in their habitat, distributional ranges of the other half may increase by up to 40 percent. ... > full story
Patients with rheumatoid arthritis receive less protection from pandemic influenza with H1N1 vaccine, study shows (May 28, 2011) -- Individuals with rheumatoid arthritis taking disease modifying anti-rheumatic drugs, showed significantly less protection from pandemic influenza after receiving the H1N1 vaccine compared to healthy individuals, according to new data. ... > full story
Human impacts of rising oceans will extend well beyond coasts (May 28, 2011) -- Estimates that are based on current, static population data can greatly misrepresent the true extent -- and the pronounced variability -- of the human toll of climate change, researchers say. ... > full story
Not all citizens' votes created equal, and study says it shows in funding (May 28, 2011) -- Some votes count for more than others in many democracies, and a multi-nation study shows that some states and provinces benefit significantly in federal funding as a result. ... > full story
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