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Instruments and Supplies RSS FeedsColorful mix of asteroids discovered, may aid future space travel - New research from NASA's Spitzer Space Telescope reveals that asteroids somewhat near Earth, termed near-Earth objects, are a mixed bunch, with a surprisingly wide array of compositions....Feed Source: feeds.sciencedaily.com Compounds in non-stick cookware may be associated with elevated cholesterol in children and teens - Children and teens with higher blood levels of chemicals used in the production of non-stick cookware and waterproof fabrics appear more likely to have elevated total and LDL cholesterol levels, according to a new article.... Insect brains are rich stores of new antibiotics - Cockroaches could be more of a health benefit than a health hazard, according to scientists who have discovered powerful antibiotic properties in the brains of cockroaches and locusts.... Discovery of mixer cells: Mixer cells relax tissue tension during embryogenesis - Researchers have recently identified cells that surprisingly change identity during embryogenesis in the Drosophila. By studying these "mixer cells" in a healing model, the scientists demonstrated that they helped to relax tissue tension, allowing perfect intercalation of the epidermis.... Six times more insect species in tropical mountains than predicted - How many species of insects exist? Researchers found that in tropical mountains there are six times more insects than shown in global calculations. The insects in these areas are also highly specialized in their choice of food.... Less is more: Teens who sleep less eat more fatty foods and snacks, study shows - Teens who slept less than eight hours on weeknights consumed 2.2 percent more calories from fats and 3 percent fewer calories from carbs than teens who slept eight hours or more, according to new research. In secondary analyses stratified by sex, the results were significant among girls but not boys. Also, for each one-hour increase in sleep duration, the odds of consuming a high amount of calories from snacks decreased by an average of 21 percent.... Extreme survival: 'Conan the Bacterium' reveals its recipe for success - The discovery of long-sought chemical antioxidants in the world's toughest microbe is reported in a breakthrough study. First studied nearly 50 years ago, this bacterium can survive massive exposures to gamma-radiation, ultraviolet radiation, desiccation, and other agents which kill cells by generating reactive oxygen species.... Hallucinogen can safely ease anxiety in advanced-stage cancer patients, study suggests - In the first human study of its kind to be published in more than 35 years, researchers found psilocybin, an hallucinogen which occurs naturally in "magic mushrooms," can safely improve the moods of patients with advanced-stage cancer and anxiety.... Visual pattern preference may be indicator of autism in toddlers - Using eye-tracking methods, researchers have shown that toddlers with autism spend significantly more time visually examining dynamic geometric patterns than they do looking at social images -- a viewing pattern not found in either typical or developmentally delayed toddlers.... More infants should receive iron supplements, researchers urge - Giving iron supplements to children with marginally low birth weights (2000-2500 grams) dramatically reduces the risk of developing iron deficiency and anemia.... 'Slow light' on a chip holds promise for optical communications - A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200.... Memory problems more common in men? - A new study shows that mild cognitive impairment may affect more men than women.... Melting rate of icecaps in Greenland and Western Antarctica lower than expected - The Greenland and West Antarctic ice caps are melting at half the speed previously predicted, according to analysis of recent satellite data.... What are babies made of? Research shows for some it is sugar, salt and not all things nice - Children as young as four weeks old are being fed a poor diet of biscuits, ice-cream and soft drinks, according to new research. A new study found some month-old babies had been introduced to high fat, salt and sugar foods, despite health authorities recommending exclusive breastfeeding to six months of age.... Cells can eat parts of themselves, with help from one protein - Like some people, cells eat when they are under pressure -- but they consume parts of themselves. A multi-function protein helps control this form of cannibalism, according to a new article.... What's causing life-threatening blood clots in brain surgery patients? - One of the most severe complications of brain surgery is a pulmonary embolism. But a new study suggests that screening methods used to access the risk of pulmonary embolisms may fall short.... Synthetic eye prosthesis: Plastic artificial cornea implants may offer hope for blind patients - Donor corneas are a rarity, but a newly developed implant made of plastic may soon offer patients the chance to see again.... Study examines association between urban living and psychotic disorders - The association between psychotic disorders and living in urban areas appears to be a reflection of increased social fragmentation present within cities, according to a new article.... Fears of a decline in bee pollination confirmed - Widespread reports of a decline in the population of bees and other flower-visiting animals have aroused fear and speculation that pollination is also likely on the decline. A recent study provides the first long-term evidence of a downward trend in pollination, while also pointing to climate change as a possible contributor.... Scientists begin to unravel causes of mysterious skin disease - Vitiligo -- a complex disease that typically causes patches of white skin on the face, neck and extremities, which pop star Michael Jackson may have experienced -- is associated with slight variations in genes that play a role in the body's natural defenses. Multiple cellular pathways may contribute to the onset and progression of vitiligo, which makes fully understanding the disease complicated, but it also gives scientists a variety of starting points to begin developing therapies.... Blue breed: Rare hibiscus color is achieved thanks to flower breeding project - Scientists working on a winter-hardy hibiscus breeding project have achieved a rare color for the plant: blue.... Chronic Lyme disease: How often is it diagnosed and treated? - The existence of chronic Lyme disease is an issue of sharp debate within the medical community. Many doctors are concerned with the potential dangers associated with the prolonged and intensive use of oral and intravenous antibiotics (the recommended treatment for chronic Lyme disease), such as blood clots and life threatening infections. A new study attempts to determine how often chronic Lyme disease is actually being diagnosed and treated.... Fashion student designs edible clothes - Emily Crane's research into growing edible materials has enabled her to bring a touch of haute cuisine to her haute couture.... Sex more likely for female flies with promise of food - Female fruit flies will have sex more frequently if they think there is more food around, and a new study has explained how this happens.... Role of key genetic catalyst for human diversity discovered - One of the key drivers of human evolution and diversity, accounting for changes that occur between different generations of people, is explained by new research.... Talented bacteria make food poisoning unpredictable - While we are often exposed to bacteria in our food which could cause food poisoning, we don't always become ill -- why should this be so? New research sheds light on how bacteria use different tricks to aid their survival inside the body, helping to explain why food poisoning can be so unpredictable.... Increase in Cambodia's vultures gives hope to imperiled scavengers - While vultures across Asia teeter on the brink of extinction, the vultures of Cambodia are increasing in number, providing a beacon of hope for these threatened scavengers, according wildlife conservation experts.... Satellite data reveals why migrating birds have a small window to spread bird flu - In 2005 an outbreak of the H5N1 'bird flu' virus in South East Asia led to widespread fear with predictions that the intercontinental migration of wild birds could lead to global pandemic. Such fears were never realised, and now new research reveals why the global spread of bird flu by direct migration of wildfowl is unlikely, while also providing a new framework for quantifying the risk of avian-borne diseases.... Breaking up phosphorus with ultraviolet light may offer a safer, simpler way to build many industrial and household chemicals - Phosphorus, a mineral element found in rocks and bone, is a critical ingredient in fertilizers, pesticides, detergents and other industrial and household chemicals. Now chemists have developed a new way to attach phosphorus to organic compounds by first splitting the phosphorus with ultraviolet light. Their method eliminates the need for chlorine, which is usually required for such reactions and poses health risks to workers handling the chemicals.... Non-invasive therapy significantly improves depression, researchers say - A unique new therapy that applies electrical stimulation to a major nerve emanating from the brain is showing promise for major depression. In a recently completed clinical trial, trigeminal nerve stimulation achieved an average of a 70 percent reduction in symptom severity over an 8-week study.... New self-assembling photovoltaic technology repairs itself - Scientists have created a novel set of self-assembling molecules that can turn sunlight into electricity; the molecules can be repeatedly broken down and then reassembled quickly, just by adding or removing an additional solution.... Backstabbing bacteria: A new treatment for infection? - Selfish bacterial cells that act in their own interests and do not cooperate with their infection-causing colleagues can actually reduce the severity of infection. The selfish behaviour of these uncooperative bacteria could be exploited to treat antibiotic-resistant infections, according to new research.... Lake Michigan ecosystem may crash: 'Doughnut' of phytoplankton disappearing - In 1998, Charlie Kerfoot discovered a "doughnut" of phytoplankton circulating in Lake Michigan, helping to feed the lake's famous fishery. Just 12 later, the doughnut is disappearing, and Kerfoot fears that the lake's ecosystem will crash, taking with it much of the fish biomass.... Induced pluripotent stem cell retain an inactivated X chromosome, study finds - Female induced pluripotent stem cells, reprogrammed from human skin cells into cells that have the embryonic-like potential to become any cell in the body, retain an inactive X chromosome, stem cell researchers have found.... Listening to ancient colors: New technique may help restorers identify decades-old pigments - A team of chemists has discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments give artist's materials color, and they emit sounds when light is shone on them.... Cognitive effects of Parkinson's disease: Automated tasks easier, but task switching difficult - Researchers have found that people with Parkinson's disease can perform automated tasks better than people without the disease, but have significant difficulty switching from easy to hard tasks.... Transition metal catalysts could be key to origin of life, scientists report - Scientists propose that an overlooked type of biological catalyst -- metal-ligand complexes -- could have jump-started metabolism and life itself, deep in hydrothermal ocean vents.... 'Jailbreak' bacteria can trigger heart disease - Plaque-causing bacteria can jailbreak from the mouth into the bloodstream and increase your risk of heart attack, according to new research.... New mission to skim the Sun: NASA selects science investigations for Solar Probe Plus - NASA has begun development of a mission to visit and study the sun closer than ever before. The unprecedented project, named Solar Probe Plus, is slated to launch no later than 2018. The small car-sized spacecraft will plunge directly into the sun's atmosphere approximately four million miles from our star's surface. It will explore a region no other spacecraft ever has encountered.... 'Basal-like' breast cancer does not originate from basal stem cells - New research uncovers a case of mistaken identity that may have a significant impact on future breast cancer prevention and treatment strategies. The study suggests that despite their "stem cell-like" characteristics, most aggressive breast tumors are not derived from normal mammary gland stem cells.... In a changing climate, erratic rainfall poses growing threat to rural poor, new report says - Against a backdrop of extreme weather wreaking havoc around the world, a new report warns that increasingly erratic rainfall related to climate change will pose a major threat to food security and economic growth, especially in Africa and Asia, requiring increased investment in diverse forms of water storage as an effective remedy.... Acting selfish? Blame your mother! - The fact that our female ancestors dispersed more than our male ancestors can lead to conflicts within the brain that influence our social behavior, new research reveals.... Conditional small RNA molecules can kill cancer cells and leave healthy cells alone - In a recent study, researchers demonstrated that conditional small RNA molecules can effectively kill lab-grown human brain, prostate and bone cancer cells in a mutation-specific manner. The treatment separates the "diagnosis" and "treatment" aspects of chemotherapy, so a cell is killed if -- and only if -- it is diagnosed with a mutation.... Parents at highest risk for depression in the first year after child's birth - More than one-third of mothers and about one-fifth of fathers in the United Kingdom appear to experience an episode of depression between their child's birth and 12th year of age, with the highest rates in the first year after birth, according to a new article.... Short nighttime sleep duration among infants, young children associated with obesity in later life - Insufficient amounts of nighttime sleep among infants and preschool-aged children may be a significant risk factor for developing childhood obesity, according to a new article. Additionally, napping does not appear to be an adequate substitute for nighttime sleep in terms of preventing obesity.... Combining medication and psychosocial treatments may benefit patients with early-stage schizophrenia - Patients with early-stage schizophrenia who receive a combination of medication and a psychosocial intervention appear less likely to discontinue treatment or relapse -- and may have improved insight, quality of life and social functioning -- than those taking medication alone, according to a new article.... Are white homosexual men still taking too many HIV risks? - Risky sexual behavior among members of a subset of the gay community is still adding to the spread of HIV. New research has found that young white homosexual men have an important contribution in the local spread of HIV.... Blood signatures to diagnose infection - Coughing and wheezing patients could someday benefit from quicker, more accurate diagnosis and treatment for respiratory infections such as flu, through a simple blood test, according to scientists.... Copyright © 2010, Typojoe.com. All Rights Reserved. |