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Instruments and Supplies RSS FeedsNot all 'good cholesterol' is 'good': Raising HDL not a sure route to countering heart disease - Medical researchers explored naturally occurring genetic variations in humans to test the connection between HDL levels and heart attack. By studying the genes of roughly 170,000 individuals, the team discovered that, when examined together, the 15 HDL-raising variants they tested do not reduce the risk of heart attack....Feed Source: feeds.sciencedaily.com Bats: A good immune system ensures success in reproduction - Anyone who is healthy has more enthusiasm for reproduction. The same is true even for bats. Male bats with a good immune system are more successful in being selected by females during mate choice and reproduction than their ailing counterparts.... The Rhine is five millions years older than first thought: Age of the river corrected based on fossils - Scientists have examined the age of the Rhine based on fossils. They have discovered that the river is five million years older than previously believed.... Damaged connections in Phineas Gage's brain: Famous 1848 case of man who survived accident has modern parallel - In 1848, Phineas Gage survived an accident that drove an iron rod through his head. Researchers, for the first time, used images of Gage?s skull combined with modern-day brain images to suggest there was extensive damage to the white matter ?pathways? that connected various regions of his brain.... Children with cancer have complete responses in a COG phase 1 trial: Pills zero in on abnormal genes that drive specific cancers - A pill designed to zero in on abnormal genes that drive specific cancers has produced encouraging early results in children with an uncommon but aggressive type of lymphoma, as well as in children with a rare form of neuroblastoma.... NASA survey counts potentially hazardous asteroids - Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal new information about their total numbers, origins and the possible dangers they may pose.... Biologists produce potential malarial vaccine from algae - Biologists have succeeded in engineering algae to produce potential candidates for a vaccine that would prevent transmission of the parasite that causes malaria.... Head impacts in contact sports may reduce learning in college athletes - A new study suggests that head impacts experienced during contact sports such as football and hockey may worsen some college athletes? ability to acquire new information.... Trusting Tiger Woods: How do facial cues affect preference and trust? - People respond to facial cues and this affects their level of trust, according to a new study that looks at the way consumers react to morphed photo images.... You are what you eat: Why do male consumers avoid vegetarian options? - Why are men generally more reluctant to try vegetarian products? According to a new study consumers are influenced by a strong association of meat with masculinity.... When does planning interfere with achieving our goals? - It seems really simple: If you want to achieve something, set a goal and then make specific plans to implement it. But according to a new study consumers get overwhelmed while juggling multiple goals.... Nine new breast cancer risk genes: Landscape of cancer genes and mutational processes in breast cancer complicated - Researchers have described nine new genes that drive the development of breast cancer. This takes the tally of all genes associated with breast cancer development to 40.... Want to avoid erectile dysfunction following prostate cancer surgery? Find an experienced, gentle surgeon - A new study suggests that men undergoing robotic-assisted surgery for prostate cancer should look for a doctor who has performed at least 1,000 surgeries and who actively seeks to improve and enhance his surgical skills to help ensure a successful post-surgery recovery of erectile function.... Listening to chickens could improve poultry production - Listening to squawks and other chicken "vocalizations" using digital signal processing techniques may help farmers better manage growing conditions, contributing to both healthier birds and more productive poultry operations.... NASA lends Galaxy Evolution Explorer to Caltech - NASA is lending the Galaxy Evolution Explorer (GALEX) to the California Institute of Technology (Caltech) in Pasadena, where the spacecraft will continue its exploration of the cosmos. In a first-of-a-kind move for NASA, a Space Act Agreement was signed May 14 so the university soon can resume spacecraft operations and data management for the mission using private funds.... Can consumers 'fit in' yet remain unique? - Most consumers want to fit in while still asserting their individuality -- and they balance these conflicting desires when choosing products, according to a new study.... Sumatra faces yet another risk: Major volcanic eruptions - The early April earthquake of magnitude 8.6 that shook Sumatra was a grim reminder of the devastating earthquakes and tsunami that killed tens of thousands of people in 2004 and 2005. Now a new study shows that the residents of that region are at risk from yet another potentially deadly natural phenomenon -- major volcanic eruptions.... Graphite enters different states of matter in ultrafast experiment - For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds. Scientists heated graphite to induce a transition from solid to liquid and to warm-dense plasma.... Alzheimer's gene causes brain's blood vessels to leak toxins and die - ApoE4, a well-known genetic risk factor for Alzheimer's disease triggers a cascade of signaling that ultimately results in leaky blood vessels in the brain, allowing toxic substances to pour into brain tissue in large amounts, scientists report.... Colorful butterflies increase their odds of survival by sharing traits - Bright black-and-red butterflies that flit across the sunlit edges of Amazonian rain forests are natural hedonists, and it does them good, according to new genetic data.... Human genes transplanted into zebrafish: Helps identify genes related to autism, schizophrenia and obesity - Researchers have transplanted a set of human genes into a zebrafish and then used it to identify genes responsible for head size at birth. This finding also is related to some cases of autism and possibly schizophrenia and childhood obesity.... New clues on how ApoE4 affects Alzheimer's risk - Common variants of the ApoE gene are strongly associated with the risk of developing late-onset Alzheimer's disease, but the gene's role in the disease has been unclear. Now, researchers have found that in mice, having the most risky variant of ApoE damages the blood vessels that feed the brain.... Humanmade pollutants may be driving Earth's tropical belt expansion: May impact large-scale atmospheric circulation - Black carbon aerosols and tropospheric ozone, both humanmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further poleward in that hemisphere, new research shows. While stratospheric ozone depletion has already been shown to be the primary driver of the expansion of the tropics in the Southern Hemisphere, the researchers are the first to report that black carbon and tropospheric ozone are the most likely primary drivers of the tropical expansion observed in the Northern Hemisphere.... Paralyzed individuals use thought-controlled robotic arm to reach and grasp - In an ongoing clinical trial, a paralyzed woman was able to reach for and sip from a drink on her own -- for the first time in nearly 15 years -- by using her thoughts to direct a robotic arm. The trial, funded in part by the National Institutes of Health, is evaluating the safety and feasibility of an investigational device called the BrainGate neural interface system, which is intended to put robotics and other assistive technology under the brain's control.... People with paralysis control robotic arms to reach and grasp using brain computer interface - Two people with tetraplegia were able to reach for and grasp objects in three-dimensional space with robotic arms that they controlled directly with brain activity. They used the BrainGate neural interface system, an investigational device currently being studied under an IDE. One participant used the system to serve herself coffee for the first time since becoming paralyzed nearly 15 years ago.... Internet usage patterns may signify depression - In a new study analyzing Internet usage among college students, researchers have found that students who show signs of depression tend to use the Internet differently than those who show no symptoms of depression.... Genome research reveals key behind one butterfly?s ability to mimic another - Scientists have discovered promiscuous sharing of large regions of DNA code among species by sequencing the genome of a South American butterfly.... Ancient tree-ring records from southwest U.S. suggest today's megafires are truly unusual - Today's mega forest fires of the southwestern U.S. are truly unusual and exceptional in the long-term record, suggests an unprecedented study that examined 1,500 years of ancient tree ring and fire data from two distinct climate periods. Researchers constructed and analyzed a statistical model and found that today's dry, hot climate combined with the past century of human fire suppression is causing megafires.... Baby galaxies grew up quickly - Baby galaxies from the young universe more than 12 billion years ago evolved faster than previously thought, shows new research. This means that already in the early history of the universe, there was potential for planet formation and life.... OMG! Texting ups truthfulness, new iPhone study suggests - Text messaging is a surprisingly good way to get candid responses to sensitive questions, according to a new study.... Common fungicide wreaks havoc on freshwater ecosystems - A new study on chlorothalonil, one of the world's most common fungicides, shows it was lethal to a wide variety of freshwater organisms.... Let's get moving: Unraveling how locomotion starts - Scientists have shed new light on one of the great unanswered questions of neuroscience: How the brain initiates rhythmic movements like walking, running and swimming.... Microscope looks into cells of living fish - Microscopes provide valuable insights in the structure and dynamics of cells, in particular when the latter remain in their natural environment. However, this is very difficult especially for higher organisms. Researchers have now developed a new method to visualize cell structures of an eighth of a micrometer in size in living fish larvae.... Character traits determined genetically? Genes may hold the key to a life of success, study suggests - Genes play a greater role in forming character traits -- such as self-control, decision making or sociability -- than was previously thought, new research suggests.... 'Gaydar' automatic and more accurate for women's faces; Accurate even when faces were upside down, psychologists find - After seeing faces for less than a blink of an eye, college students have accuracy greater than mere chance in judging others' sexual orientation. Their "gaydar" persisted even when they saw the photos upside-down, and gay versus straight judgments were more accurate for women's faces than for men's.... Deeper Look at Centaurus A - The strange galaxy Centaurus A is pictured in a new image from the European Southern Observatory. With a total exposure time of more than 50 hours this is probably the deepest view of this peculiar and spectacular object every created.... Make or break for cellular tissues - Models developed to study liquids are used to investigate the mechanics of cellular tissues, which could further our understanding of embryonic development and cancer. Scientists have demonstrated that the behavior of a thin layer of cells in contact with an unfavorable substrate is akin to that of thin fluid or elastic films. Understanding the mechanism by which a thin layer of cells splits into disjointed patches, thus breaking the layer's structural integrity, bears great significance because the human tissue, or epithelium, covering organs can only fulfill its role if there are no holes or gaps between the cells.... Chocolate and diamonds: Why volcanoes could be 'a girl's best friend' - Scientists have discovered a previously unrecognized volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the dynamics of volcanic eruptions. The scientists investigated how a process called ?fluidized spray granulation? can occur during kimberlite eruptions to produce well-rounded particles containing fragments from the Earth?s mantle, most notably diamonds.... Plant growth without light control - Plants are dependent on the sun. Sunlight does not only supply them with energy, but also controls their development steps. So-called photoreceptors activate the processes of germination, leaf development, bud formation, and blossoming in the cells. The light-absorbing component of a photoreceptor may be replaced by a chemically similar synthetic substance. For the first time, the effects on complete plants have now been described.... Full control of plastic transistors - Transistors made of plastic can be controlled with great precision, according to a new article.... Sulfur finding may hold key to Gaia theory of Earth as living organism - Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery may provide a key to answering this question. This key of sulfur could allow scientists to unlock heretofore hidden interactions between ocean organisms, atmosphere, and land -- interactions that might provide evidence supporting this famous theory.... Hidden lives of elephant seals: Record-setting dive more than a mile deep - The same researchers who pioneered the use of satellite tags to monitor the migrations of elephant seals have compiled one of the largest datasets available for any marine mammal species, revealing their movements and diving behavior at sea in unprecedented detail.... 20 percent 'fat tax' needed to improve population health, experts say - Taxes on unhealthy food and drinks would need to be at least 20 percent to have a significant effect on diet-related conditions such as obesity and heart disease, say experts on bmj.com today. Ideally, this should be combined with subsidies on healthy foods such as fruit and vegetables, they add.... Ancient sea reptile with gammy jaw suggests dinosaurs got arthritis too - Imagine having arthritis in your jaw bones if they're over 2 meters long! A new study has found signs of a degenerative condition similar to human arthritis in the jaw of a pliosaur, an ancient sea reptile that lived 150 million years ago. Such a disease has never been described before in fossilized Jurassic reptiles.... Mixed bacterial communities evolve to share resources, not compete - New research shows how bacteria evolve to increase ecosystem functioning by recycling each other's waste. The study provides some of the first evidence for how interactions between species shape evolution when there is a diverse community.... Sunscreens remain safe, effective form of sun protection, experts say - The American Academy of Dermatology today reiterated the safety and effectiveness of sunscreens to protect against the damaging effects from exposure to ultraviolet (UV) radiation. As one component of a daily sun-protection strategy, sunscreen is an important tool in the fight against skin cancer, including melanoma, the deadliest form of skin cancer.... New look at prolonged radiation exposure: At low dose-rate, radiation poses little risk to DNA, study suggests - A new study suggests that the guidelines governments use to determine when to evacuate people following a nuclear accident may be too conservative.... Air pollution level changes in Beijing linked with biomarkers of cardiovascular disease - During the 2008 Beijing Olympics, changes in air pollution were associated with changes in biomarkers of systemic inflammation and thrombosis (formation of blood clot) as well as measures of cardiovascular physiology in healthy young persons, according to a new study.... Drugs from gila monster lizard saliva reduces cravings for chocolate and ordinary food - A drug made from the saliva of the Gila monster lizard is effective in reducing the craving for food. Researchers have tested the drug on rats, who after treatment ceased their cravings for both food and chocolate.... Elusive capacity of networks: Calculating data network's total capacity notoriously difficult, but theorists making some headway - In its early years, information theory was dominated by research on error-correcting codes: How do you encode information so as to guarantee its faithful transmission, even in the presence of the corrupting influences engineers call "noise"? Recently, one of the most intriguing developments in information theory has been a different kind of coding, called network coding, in which the question is how to encode information in order to maximize the capacity of a network as a whole. For information theorists, it was natural to ask how these two types of coding might be combined: If you want to both minimize error and maximize capacity, which kind of coding do you apply where, and when do you do the decoding?... 740,000 lives saved: Benefits of AIDS relief program - The US President's Emergency Plan for AIDS Relief, the government's far-reaching health-care foreign aid program, has contributed to a significant decline in adult death rates from all causes in Africa, according to a new study.... Big-mouthed babies drove the evolution of giant island snakes - The need to have big-mouthed babies drove the evolution of giant tiger snakes on Australian islands, new research shows. The findings offer a new dimension to the study of island gigantism and dwarfism.... Why omega-3 oils help at the cellular level - For the first time, researchers have peered inside a living mouse cell and mapped the processes that power the celebrated health benefits of omega-3 fatty acids. More profoundly, they say their findings suggest it may be possible to manipulate these processes to short-circuit inflammation before it begins, or at least help to resolve inflammation before it becomes detrimental.... High doses of certain dietary supplements increase cancer risk - Beta-carotene, selenium and folic acid -- taken up to three times their recommended daily allowance, these supplements are probably harmless. But taken at much higher levels as some supplement manufacturers suggest, these three supplements have now been shown to increase the risk of developing a host of cancers.... This is your brain on sugar: Study in rats shows high-fructose diet sabotages learning, memory - A new study is the first to show how a diet steadily high in fructose slows the brain, hampering memory and learning -- and how omega-3 fatty acids can minimize the damage.... New biomarker test predicts arthritis before symptoms appear - A research team has found a way to detect and predict arthritis before patients begin suffering from symptoms.... All cancer cells are not created equal: Some cell types control continued tumor growth, others prepare the way for metastasis - New researchers suggests that specific populations of tumor cells have different roles in the process by which tumors make new copies of themselves and grow.... A supernova cocoon breakthrough - Astronomers have the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery may help astronomers understand why some supernovas are much more powerful than others.... Timely discovery: Physics research sheds new light on quantum dynamics - Physicists have made a breakthrough that improves understanding of matter-light interactions. Their research allows double ionization events to be observed at the time scale of attoseconds and shows that these ionization events occur earlier than thought -- a key factor to improve knowledge of correlated electron dynamics.... People see sexy pictures of women as objects, not people; sexy-looking men as people - Perfume ads, beer billboards, movie posters: everywhere you look, women's sexualized bodies are on display. A new study finds that both men and women see images of sexy women's bodies as objects, while they see sexy-looking men as people.... Copyright © 2012, Residual Income Home Business Opportunity. All Rights Reserved. |
