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Sunday, November 30, 2008
20 Email Accounts, 140 GB Space, Google Interface, GoogleTalk Integration @ INR 999
ScienceDaily: Latest Science News
ScienceDaily: Latest Science News |
| Farming And Chemical Warfare: A Day In The Life Of An Ant Posted: 30 Nov 2008 05:00 PM PST One of the most important developments in human civilization was the practice of sustainable agriculture. But we were not the first; ants have been doing it for over 50 million years. Just as farming helped humans become a dominant species, it has also helped leaf-cutter ants become dominant herbivores and one of the most successful social insects in nature. |
| Does Hormone Treatment Predispose Patients To Breast Cancer? Posted: 30 Nov 2008 05:00 PM PST Breast cancer, the leading cause of death among women in France, is the most commonly occurring cancer in women. Sporadic breast cancer, which is non-hereditary, turns out to be the most widespread, representing 85 to 90% of all cases, but remains the least well-known. Researchers have just discovered the cause of 50% of sporadic breast cancers. |
| Rabies Barrier To Save World's Rarest Wolf Posted: 30 Nov 2008 05:00 PM PST Conservationists are battling to save the world's rarest wolf from a rabies outbreak by creating a 'barrier' of vaccinated wolf packs. |
| Portuguese Scientists Discover New Mechanism That Regulates Formation Of Blood Vessels Posted: 30 Nov 2008 05:00 PM PST Researchers have discovered a novel mechanism which regulates the process whereby new blood vessels are formed and wounds heal, including chronic wounds, such as those found in diabetic patients and those suffering from morbid obesity. These findings have implications for the development of new therapeutic approaches to healing damaged blood vessels and building new ones. |
| Pavement Sealcoat Linked To Urban Lake Contamination In The Central And Eastern United States Posted: 30 Nov 2008 05:00 PM PST Dust collected from coal-tar sealcoated parking lots in Central and Eastern U.S. cities contains concentrations of polycyclic aromatic hydrocarbons (PAHs) that are about 1,000 times greater than levels found in Western cities where coal-tar sealcoat is less commonly used, according to a new study. |
| How Binge Drinking May Drive Heart Disease Posted: 30 Nov 2008 05:00 PM PST As the holidays arrive, a group of researchers has identified the precise mechanisms by which binge drinking contributes to clogs in arteries that lead to heart attack and stroke. The works adds to a growing body of evidence that drinking patterns matter as much, if not more, to risk for cardiovascular disease than the total amount consumed. Irregular, heavy drinking pattern clogs blood vessels. |
| Common Cold Virus Came From Birds About 200 Years Ago, Study Suggests Posted: 30 Nov 2008 11:00 AM PST A virus that causes cold-like symptoms in humans originated in birds and may have crossed the species barrier around 200 years ago, according to an article in the Journal of General Virology. Scientists hope their findings will help us understand how potentially deadly viruses emerge in humans. |
| Ultrasound Waves Aid In Rapid Treatment Of Deep Vein Thrombosis Posted: 30 Nov 2008 11:00 AM PST The use of ultrasound waves for deep vein thrombosis may help dissolve blood clots in less time than using clot-busting drugs alone, according to researchers. |
| Climate Change Opens New Avenue For Spread Of Invasive Plants Posted: 30 Nov 2008 11:00 AM PST A team of researchers from the Netherlands and Florida has found that plants that range beyond their normal distribution because of warming climates may have advantages over native plants. Global warming-induced biological invasions may represent an additional threat to biodiversity. |
| Exercise And Rest Reduce Cancer Risk Posted: 30 Nov 2008 11:00 AM PST Exercise is good for more than just your waistline. A recent study suggests that regular physical activity can lower a woman's overall risk of cancer -- but only if she gets a good night's sleep. Otherwise, lack of sleep can undermine exercise's cancer prevention benefits. |
| Sustainable Garden Roofs Developed As New Construction Material Posted: 30 Nov 2008 11:00 AM PST A Spanish research study has tested different combinations of supports and indigenous plants to determine which are the best for reducing energy consumption inside buildings. This type of roof is a "rurban," sustainable architectural solution that will lead to a reduction in environmental and acoustic contamination levels in cities, and be visually pleasing. |
| Science Professors Know Science, But Who Is Teaching Them How To Teach? Posted: 30 Nov 2008 11:00 AM PST U.S. science and engineering students emerge from graduate school exquisitely trained to carry out research. Yet when it comes to the other major activity they'll engage in as professors -- teaching -- they're usually left to their own devices. That's now beginning to change. |
| 2008 Atlantic Hurricane Season Sets Records Posted: 30 Nov 2008 05:00 AM PST The 2008 Atlantic Hurricane Season officially comes to a close on November 30, marking the end of a season that produced a record number of consecutive storms to strike the United States and ranks as one of the more active seasons in the 64 years since comprehensive records began. A total of 16 named storms formed this season. The storms included eight hurricanes, five of which were major hurricanes at Category 3 strength or higher. |
| Fast Food A Potential Risk Factor For Alzheimer’s Posted: 30 Nov 2008 05:00 AM PST Mice that were fed a diet rich in fat, sugar and cholesterol for nine months developed a preliminary stage of the morbid irregularities that form in the brains of Alzheimer's patients. The study gives some indications of how this difficult to treat disease might one day be preventable. |
| New Excavations Strengthen Identification Of Herod’s Grave At Herodium Posted: 30 Nov 2008 05:00 AM PST Analysis of newly revealed items found at the site of the mausoleum of King Herod at Herodium (Herodion in Greek) have provided archaeological researchers with further assurances that this was indeed the site of the famed ruler's 1st century B.C.E. grave. Herod was the Roman-appointed king of Judea from 37 to 4 B.C.E., who was renowned for his many monumental building projects, including the reconstruction of the Temple in Jerusalem, the palace at Masada, the harbor and city of Caesarea, as well as the palatial complex at Herodium, 15 kilometers south of Jerusalem. |
| Three Esophageal, Stomach Cancer Subtypes Linked To Smoking; One Associated With Alcohol Use Posted: 30 Nov 2008 05:00 AM PST Researchers who have been following the health of more than 120,000 residents of the Netherlands for more than two decades have found that smoking is associated with two forms of esophageal cancer as well as a form of stomach cancer, and that drinking alcohol is strongly linked to one form of esophageal cancer. |
| Model To Measure Soil Health In Bioenergy Era Posted: 30 Nov 2008 05:00 AM PST The loss of soil organic matter due to poor land-management practice threatens farmlands, and while the use for crop residues as feedstock for biomass ethanol and bio-based products increases, these materials no longer contribute to the health of the soil. Scientist have now developed a method of measuring soil quality to assure an adequate amount of soil organic matter, called the CQESTR model. |
| Specific DNA Variations Of The Serotonin Transporter Gene Can Influence Drinking Intensity Posted: 30 Nov 2008 05:00 AM PST The brain's serotonergic system plays an important role in alcohol preference and consumption. New findings show that specific DNA sequence variations of the serotonin transporter gene can influence drinking intensity among alcohol-dependent individuals. |
| Posted: 28 Nov 2008 09:00 PM PST Universal and annual voluntary testing followed by immediate antiretroviral therapy treatment (irrespective of clinical stage or CD4 count) can reduce new HIV cases by 95% within 10 years, according to new findings based on a mathematical model developed by a group of HIV specialists in WHO. |
| Is An Anchor Responsible For Mad Cow Disease (BSE) Infections? Posted: 28 Nov 2008 09:00 PM PST Chemists are providing prion researchers with a new tool to elucidate the role played by specific anchor molecules. These complicated anchor compounds are suspected of promoting infections with BSE or Creutzfeldt-Jacob disease. |
| Tracking Down Strange Seismic Waves Posted: 28 Nov 2008 09:00 PM PST Seismic waves generated by earthquakes pass through the earth. Changes in their direction or velocity indicate variations in the materials through which they pass. Geophysicists have now been able to show in a model exactly what happens at zones where crustal plates subduct below one another. |
| Posted: 28 Nov 2008 09:00 PM PST In the future, tablet-shaped robots could perform some surgical operations without injuring the body. A new publication shows how such surgical bio-microrobots might function. |
| Posted: 28 Nov 2008 09:00 PM PST Chemists have developed a method to detect pesticide residues in foodstuffs -- a method that may also be of interest for other areas and may enable quality checks on a running basis. |
| Posted: 28 Nov 2008 09:00 PM PST Why are certain videos on YouTube watched millions of times while 90 percent of the contributions find only the odd viewer? A new study reveals that increased attention in social systems like the YouTube community follows particular, recurrent patterns that can be represented using mathematical models. |
| Humanity May Hold Key For Next Earth Evolution Posted: 28 Nov 2008 09:00 PM PST Human degradation of the environment has the potential to stall an ongoing process of planetary evolution, and even rewind the evolutionary clock to leave the planet habitable only by the bacteria that dominated billions of years of Earth's history, according to Harvard geochemist Charles Langmuir. |
| Boll Weevil Feeding Habits Now Better Understood Posted: 28 Nov 2008 09:00 PM PST Boll weevils don't hibernate during winter in the subtropics but actually remain active, feeding on orange, grapefruit and other plants, according to a scientist studying this infamous cotton pest. |
| Posted: 28 Nov 2008 09:00 PM PST Non-target insects are probably affected more by conventional insecticides than by crops that contain genes from the soil bacterium Bacillus thuringiensis (Bt), according to a new article. Bt crops such as maize and cotton are genetically engineered to produce insect-specific toxins. |
| Humans Prompted New Paths For Parasites Posted: 28 Nov 2008 09:00 PM PST Scientists are tracking how the dissemination of the parasite Trichinella spiralis throughout Europe, North Africa and the Americas was facilitated by human travel and the transportation of animals. |
| Cell Receptor Identified As Target For Anti-inflammatory Immune Response Posted: 28 Nov 2008 09:00 PM PST Invading pathogens provoke a series of molecular heroics that, when successful, muster an army of antibodies to neutralize the threat. Like with any close-quarter combat, however, an aggressive immune response runs the risk of friendly fire accidents. For the last decade, immunologists have intensively studied mechanisms evolved by the immune system to avoid these accidents by shutting off the immune response once the invaders have been eliminated. |
| Influence Of Climate Warming On The Increase In Tick-borne Diseases Posted: 28 Nov 2008 09:00 PM PST Rises in the ambient temperature modify the behavior of dog ticks and increase their affinity for humans. There is thus a risk that episodes of global warming may be associated with epidemics of tick-borne diseases. |
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Saturday, November 29, 2008
ScienceDaily: Latest Science News
ScienceDaily: Latest Science News |
| Virtual Ears And The Cocktail Party Effect Posted: 29 Nov 2008 05:00 PM PST New research has helped understanding of the so-called 'cocktail party effect' -- how our brains develop the ability to pinpoint and focus on particular sounds among a background of noise. |
| Selenium May Slow March Of AIDS Posted: 29 Nov 2008 05:00 PM PST Increasing the production of naturally occurring proteins that contain selenium in human blood cells slows down multiplication of the AIDS virus, according to biochemists. |
| Bird Population Estimates Are Flawed, New Study Shows Posted: 29 Nov 2008 05:00 PM PST Most of what we know about bird populations stems from surveys conducted by professional biologists and amateur birdwatchers, but new research shows that the data from those surveys may be seriously flawed -- and proposes possible means to resolve the problem. |
| Bad Cholesterol Inhibits The Breakdown Of Peripheral Fat Posted: 29 Nov 2008 05:00 PM PST The so called bad cholesterol (LDL) inhibits the breakdown of fat in cells of peripheral deposits, according to a new study. The discovery reveals a novel function of LDL as a regulator of fat turnover besides its well-established detrimental effects in promoting atherosclerosis. |
| Highly Efficient Lithium Batteries Could Greatly Extend Battery Life Of Laptop Computers Posted: 29 Nov 2008 05:00 PM PST Scientists have developed a new material for anodes, which could clear a path for a new generation of rechargeable batteries. Their new material involves three-dimensional, highly porous silicon structures. |
| Ban On Fast Food TV Advertising Would Reverse Childhood Obesity Trends, Study Shows Posted: 29 Nov 2008 05:00 PM PST A ban on fast-food advertisements in the United States could reduce the number of overweight children by as much as 18 percent, according to a new study. The study also reports that eliminating the tax deductibility associated with television advertising would result in a reduction of childhood obesity, though in smaller numbers. |
| Panamanian Termite Goes Ballistic: Fastest Mandible Strike In The World Posted: 29 Nov 2008 11:00 AM PST A single hit on the head by the termite Termes panamensis (Snyder), which possesses the fastest mandible strike ever recorded, is sufficient to kill a would-be nest invader. |
| New Screening Halves Number Of Children Born With Down Syndrome Posted: 29 Nov 2008 11:00 AM PST A new national screening strategy in Denmark has halved the number of infants born with Down's syndrome and increased the number of infants diagnosed before birth by 30 percent, according to a new study. |
| Spinning Into The Future Of Data Storage Posted: 29 Nov 2008 11:00 AM PST Scientists have improved their understanding of the inner workings of our computers and MP3 players, thanks to an exciting new field of research called "organic spintronics." |
| Study Documents What May Be First Cases Of Certain Tick-borne Disease In China Posted: 29 Nov 2008 11:00 AM PST It appears that for the first time human granulocytic anaplasmosis, an emerging tick-borne infectious disease found in the US and Europe, has been identified in China and apparently was transmitted from person to person, according to a new study. |
| Making Gases More Transportable: Methane Gas Converted To Powder Form Posted: 29 Nov 2008 11:00 AM PST Chemists have developed a way of converting methane gas into a powder form in order to make it more transportable. |
| New National Survey Says Public Reveres Bison Posted: 29 Nov 2008 11:00 AM PST Americans are woefully out of touch with the fact that the American bison, or buffalo, is in trouble as a wild, iconic species, but they do love them as an important symbol of their country -- and as an entree on the dinner table. These sentiments were found in a public survey by the Wildlife Conservation Society at a national conference on restoring bison populations in the North America. |
| Solar Wind Rips Up Martian Atmosphere Posted: 29 Nov 2008 05:00 AM PST Researchers have found new evidence that the atmosphere of Mars is being stripped away by solar wind. It's not a gently continuous erosion, but rather a ripping process in which chunks of Martian air detach themselves from the planet and tumble into deep space. This surprising mechanism could help solve a longstanding mystery about the Red Planet. |
| Stomach Ulcer Bug Causes Bad Breath Posted: 29 Nov 2008 05:00 AM PST Bacteria that cause stomach ulcers and cancer could also be giving us bad breath, according to research published in the Journal of Medical Microbiology. For the first time, scientists have found Helicobacter pylori living in the mouths of people who are not showing signs of stomach disease. |
| Chandrayaan-1 Starts Observations Of The Moon Posted: 29 Nov 2008 05:00 AM PST The Indian Space Research Organization's lunar orbiter Chandrayaan-1 released a probe that impacted close to the lunar south pole on Nov. 14. Following this, the instruments on the spacecraft are being switched on to get the science observations started. |
| Risk Of Maternal And Newborn Complications May Be Lower After Bariatric Surgery Posted: 29 Nov 2008 05:00 AM PST A review of previously published studies suggests that rates of adverse outcomes for mothers or pregnant women and newborn babies, such as gestational diabetes and low birth weight, may be lower after bariatric surgery compared with pregnant women who are obese, according to a new study. |
| Toward Healthier Bread And Other Whole Grain Foods Posted: 29 Nov 2008 05:00 AM PST Bread, pasta, and other foods made from whole grains -- known to help protect against heart disease, cancer and diabetes -- may get even healthier in the future. |
| Asthma Over-Diagnosed In One Third Of Canadian Adults, Study Suggests Posted: 29 Nov 2008 05:00 AM PST Asthma may be overdiagnosed in countries like Canada, suggests a longitudinal study of 540 obese and non-obese adults that found approximately one third of Canadians with physician-diagnosed asthma do not have asthma when objectively tested. |
| 'The Photon Force Is With Us': Harnessing Light To Drive Nanomachines Posted: 28 Nov 2008 05:00 PM PST Science fiction writers have long envisioned sailing a spacecraft by the optical force of the sun's light. But, the forces of sunlight are too weak to fill even the oversized sails that have been tried. Now a team led by researchers at the Yale School of Engineering & Applied Science has shown that the force of light indeed can be harnessed to drive machines when the process is scaled to nano-proportions. |
| Mouse Model Of Prion Disease Mimics Diverse Symptoms Of Human Disorder Posted: 28 Nov 2008 05:00 PM PST A comprehensive mouse model of inherited prion disease exhibits cognitive, motor and neurophysiological deficits that bear a striking resemblance to the symptoms experienced by patients with the human version of "mad cow disease," Creutzfeldt-Jakob disease. The research, published in the journal Neuron, provides exciting insight into the mechanism of disease and may lead to the development of new therapeutic strategies for this devastating neurodegenerative disorder. |
| Drink Brewed Tea To Avoid Tooth Erosion, Study Suggests Posted: 28 Nov 2008 05:00 PM PST Researchers compared green and black tea to soda and orange juice in terms of their short- and long-term erosive effect on human teeth. The study found that the erosive effect of tea was similar to that of water, which has no erosive effect. |
| Resistance to TB Vaccine May Be Uncommon, Protects Against Nine Strains in Mice Posted: 28 Nov 2008 05:00 PM PST A new study shows that the current tuberculosis vaccine induces protective immunity against nine strains of the bacteria in mice indicating that strain-specific resistance may be uncommon. |
| Posted: 28 Nov 2008 05:00 PM PST A new Danish observatory on a remote island in the middle of the Atlantic Ocean will provide researchers with new knowledge about the mysterious irregularity of the Earth's magnetic field known as the South Atlantic Anomaly. |
| Expressing Emotions In E-mail So As Not To Be Misinterpreted Posted: 28 Nov 2008 05:00 PM PST How do people use emoticons, subject lines, and signatures to define how they want to be interpreted in email? The authors find that "a shift to email interaction requires a new set of interactional skills to be developed." Unlike face-to-face conversations, email interactions leave out tone of voice, body-language and context, which can lead to misunderstandings. |
| Route To Obesity Passes Through Tongue Posted: 28 Nov 2008 02:00 PM PST Obesity gradually numbs the taste sensation of rats to sweet foods and drives them to consume larger and ever-sweeter meals, according to neuroscientists. New findings could uncover a critical link between taste and body weight, and reveal how flab hooks the brain on sugary food. |
| Master Gene Plays Key Role In Blood Sugar Levels Posted: 28 Nov 2008 02:00 PM PST When mice that lack steroid receptor-2, a master regulator gene called a coactivator, fast for a day, their blood sugar levels plummet. If they go another day without food, they will die. The severity of the hypoglycemia was unexpected, according to an article in Science. |
| Fast Molecular Rearrangements Hold Key To Plastic’s Toughness Posted: 28 Nov 2008 02:00 PM PST Researchers report that subjecting a common plastic to physical stress - which causes the plastic to flow - also dramatically increases the motion of the material's constituent molecules, with molecular rearrangements occurring up to 1,000 times faster than without the stress. |
| Estrogen Therapy Could Be Dangerous For Women With Existing Heart Risk Posted: 28 Nov 2008 02:00 PM PST Hormone therapy could accentuate certain pre-existing heart disease risk factors and a heart health evaluation should become the norm when considering estrogen replacement, new research suggests. |
| Key Link In How Plants Adapt To Climate Discovered Posted: 28 Nov 2008 02:00 PM PST How many mouths does a plant need in order to survive? The answer changes depending on climate and some of the decisions are made long before a new leaf sprouts. Stanford researchers have found that the formation of microscopic pores called stomata is controlled by a specific signaling pathway that blocks activity of a single protein required for stomata development. Stomata are found on almost every terrestrial plant on Earth. |
| Explanation For 'Face Blindness' Offered Posted: 28 Nov 2008 02:00 PM PST For the first time, scientists have been able to map the disruption in neural circuitry of people suffering from congenital prosopagnosia, sometimes known as face blindness, and have been able to offer a biological explanation for this intriguing disorder. Currently thought to affect roughly two percent of the population, congenital prosopagnosia manifests as the lifelong failure to recognize faces in the absence of obvious neurological damage, and in individuals with intact vision and intelligence. |
| Biologists Find New Environmental Threat In North American Lakes Posted: 28 Nov 2008 11:00 AM PST A new and insidious environmental threat has been detected in North American lakes. Boreal forest lakes suffer from 'aquatic osteoporosis.' |
| Experimental TB Drug Explodes Bacteria From The Inside Out Posted: 28 Nov 2008 11:00 AM PST Biochemists have discovered how an experimental drug unleashes its destructive force inside the bacteria that cause tuberculosis. The finding could help scientists develop ways to treat dormant TB infections, and suggests a strategy for drug development against other bacteria as well. |
| New National Park Protects World's Rarest Gorilla Posted: 28 Nov 2008 11:00 AM PST A new national park to help protect the world's most endangered great ape, the Cross River gorilla, has been created. The Cross River gorilla is the rarest of the four gorilla subspecies. |
| Inhaled Corticosteroids Raise Pneumonia Risk For Lung Disease Sufferers Posted: 28 Nov 2008 11:00 AM PST Lung disease experts are calling for physicians to show much greater caution in prescribing inhaled corticosteroid drugs for people with chronic obstructive pulmonary disease after finding evidence that the widely used anti-inflammatory medications increase the risk of pneumonia by a full third. |
| Protein Fibers Can Become Electrical Wiring Posted: 28 Nov 2008 11:00 AM PST Researchers have succeeded in creating electrical wires consisting of protein fibers encased in plastic. The 10 nanometer thin fibers are self-organizing and compatible with biological systems. |
| New Research Sheds Light On Fly Sleep Circuit Posted: 28 Nov 2008 11:00 AM PST Researchers have identified a specific set of wake-promoting neurons in fruit flies that are analogous to cells in the much more complex sleep circuit in humans. The study demonstrates that in flies, as in mammals, the sleep circuit is intimately linked to the circadian clock and that the brain's strategies to govern sleep are evolutionarily ancient. |
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