In the News
Wobbly Polarity Is Key To Preventing Magnetic Avalanches On Disk Drive
New research brings models of magnetic avalanches much closer to reality, helping physicists understand both why they happen and why they don't run out of control, wiping disk drives clean. Mars Exploration Rovers Resume Driving
After six weeks of hunkering down during raging dust storms that limited solar power, both of NASA's Mars Exploration Rovers, Spirit and Opportunity, have resumed driving. Opportunity advanced 13.38 meters (44 feet) toward the edge of Victoria Crater on Aug. 21. Mission controllers were taking advantage of gradual clearing of dust from the sky while also taking precautions against buildup of dust settling onto the rover. Blame Our Evolutionary Risk Of Cancer On Body Mass
A key enzyme that cuts short our cellular lifespan in an effort to thwart cancer has now been linked to body mass.Until now, scientists believed that our relatively long lifespans controlled the expression of telomerase -- an enzyme that can lengthen the lives of cells, but can also increase the rate of cancer. Botulinum Toxin Helps Facial Scars Heal Better, Mayo Clinic Finds
Mayo Clinic researchers have found that treating a facial wound in the early healing phase with botulinum toxin (BOTOX) improves the appearance of a scar later. The findings are published in the August issue of Mayo Clinic Proceedings. High School Physics Enrollment Hits Record High
More U.S. high-school students are taking physics than ever before, and the number of physics bachelor's degree recipients in the nation has increased 31 percent since 2000, according to newdata presented today by the American Institute of Physics (AIP). In addition, physics bachelor's degree recipients are eight times more likely to go on to earn any kind of PhD than those with non-physics bachelor's, the new data show. A Green Way To Slag Off Bunnies
Using slag on wheat plants deters rabbits from eating, and consequently damaging the plant. Calcium silicate gives the leaves a bitter taste, putting the bunnies off their food. Studies show that this method can reduce crop damage by around half. In the UK alone, rabbits cause an estimated £115M worth of damage annually. About North American Bison
Images and descriptions of differing characteristics of plains bison and woods bison. Includes information about the prevalence and range of North American bison, and links to material about the difference between bison and buffalo and what is a European bison. From the Bison Specialist Group North America, established under the direction of the IUCN (World Conservation Union) Species Survival Commission. How Fat Is Produced And Stored: Sirtuin Protein Instrumental In Fat Pr
A new study has identified a protein found in fat cells that may play a major role in how fat is produced and stored, offering a new target for treatments to prevent obesity and reduce the risk for type 2 diabetes. 'Blinding' An Insect's Sense Of Smell May Be The Best Repellent
Don't stop and smell the roses: "blinding"an insect's sense of smell may be the best repellent, according to research by Rockefeller University scientists. A Space Station View On Giant Lightning
Do giant flashes of lightning striking upwards from thunder clouds merely pose an extraordinarily spectacular view? Or do they actually alter the chemical composition of the atmosphere, playing a role in ozone depletion and the climate on Earth? This is the key question that may be answered by specially designed cameras, which ESA proposes to place on board the International Space Station.
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