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Instruments and Supplies RSS FeedsAntibiotic residues, some more than FDA limits, in seafood purchased at US grocery stores, experts say - Scientists have found evidence of antibiotics ? one a suspected human carcinogen ? in seafood imported into the United States and purchased from grocery store shelves....Feed Source: feeds.sciencedaily.com Timing can affect whether women and minorities face discrimination - Timing can affect whether females and minorities experience discrimination -- says a new study. Emails were sent from fictional prospective doctoral students to 6,500 professors across 258 institutions, requesting a meeting either that day or next week. Prospective doctoral students with Caucasian male names were 26 percent more likely to be granted an appointment when requesting one for next week than those with names signaling that they were minorities or females.... Understanding Arctic Ocean's carbon cycle - Scientists have conducted a new study to measure levels of carbon at various depths in the Arctic Ocean. The study provides data that will help researchers better understand the Arctic Ocean's carbon cycle -- the pathway through which carbon enters and is used by the marine ecosystem.... How plants chill out: Plants elongate their stems to cool their leaves - Plants elongate their stems when grown at high temperature to facilitate the cooling of their leaves, according to new research. Understanding why plants alter their architecture in response to heat is important as increasing global temperatures pose a threat to future food production.... Unique gold earring found in intriguing collection of ancient jewelry in Israel - When archaeologists opened an ancient vessel found at Israel's Tel Megiddo dig, they found a surprising treasure trove of ancient jewelry -- and an earring which may have had a unique Egyptian origin.... From lemons to lemonade: Using carbon dioxide to make carbon nitride - Scientists have discovered a chemical reaction that not only eats up the greenhouse gas carbon dioxide, it creates some useful compounds to boot.... Don't like blood tests? New microscope uses rainbow of light to image the flow of individual blood cells - Blood tests convey vital medical information, but the sight of a needle often causes anxiety and results take time. A new device however, can reveal much the same information as a traditional blood test in real-time, simply by shining a light through the skin. This portable optical instrument is able to provide high-resolution images of blood coursing through veins without the need for harsh fluorescent dyes.... For bats: What sounds good doesn't always taste good - Bats use a combination of cues in their hunting sequence - capture, handling and consumption - to decide which prey to attack, catch and consume and which ones they are better off leaving alone or dropping mid-way through the hunt. Eavesdropping bats first listen to their prey, then they assess its size, and finally they taste it.... Researchers improve fast-moving mobile networks - Mobile ad hoc networks allow people in multiple, rapidly-moving vehicles to communicate with each other ? such as in military or emergency-response situations. Researchers have now devised a method to improve the quality and efficiency of data transmission in these networks.... Allergies? Some pollens are much more aggressive than others - There are pollens -- and then there are pollens, as scientists from across Europe discovered while investigating the allergic potential of pollens from the three main triggers of hay fever in Europe: birch, grass and olive. Different people can have very different allergic reactions to a particular type of pollen.... Cholesterol-lowering drugs may slow prostate growth - Statins drugs prescribed to treat high cholesterol may also work to slow prostate growth in men who have elevated PSA levels, according to a new analysis.... Rare neurons linked to empathy and self-awareness discovered in monkey brains - Scientists have discovered brain cells in monkeys that may be linked to self-awareness and empathy in humans.... Tea could aid Olympic cheating - Researchers have found that green and white teas could hide abnormal levels of testosterone in athletes.... Mercury in dolphins higher downwind of power plants - A small pilot study found higher levels of toxic mercury in dolphins downwind of power plants than in captive dolphins.... Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector - Engineers have for the first time used "plasmonic cloaking" to create a device that can see without being seen -- an invisible machine that detects light. It is the first example of what the researchers describe as a new class of devices that controls the flow of light at the nanoscale to produce both optical and electronic functions.... Latest Southern Ocean research shows continuing deep ocean change - There has been a massive reduction in the amount of Antarctic bottom water found off the coast of Antarctica, new research shows.... New approach to 'spell checking' gene sequences - Scientists have found a better way to 'spell check' gene sequences.... Dry lands getting drier, wet getting wetter: Earth's water cycle intensifying with atmospheric warming - A clear change in salinity has been detected in the world's oceans, signaling shifts and an acceleration in the global rainfall and evaporation cycle. The patterns are not uniform, with regional variations agreeing with the 'rich get richer' mechanism, where wet regions get wetter and dry regions drier.... Growth factor in stem cells may spur recovery from multiple sclerosis - A substance in human mesenchymal stem cells that promotes growth appears to spur restoration of nerves and their function in rodent models of multiple sclerosis, researchers have found.... Folic acid may reduce some childhood cancers - Folic acid fortification of foods may reduce the incidence of the most common type of kidney cancer and a type of brain tumors in children, finds a new study. Incidence reductions were found for Wilms' tumor, a type of kidney cancer, and primitive neuroectodermal tumors, a type of brain cancer.... Obese adolescents have heart damage - Obese adolescents with no symptoms of heart disease already have heart damage, according to new research.... Toxic mercury, accumulating in the Arctic, springs from a hidden source - Environmental scientists have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean. While the atmospheric source was previously recognized, it now appears that twice as much mercury actually comes from the rivers. The revelation implies that concentrations of the toxin may further increase as climate change continues to modify the region's hydrological cycle and release mercury from warming Arctic soils.... Stressed men are more social - Researchers have refuted the common belief that stress always causes aggressive behavior.... Zooming in on bacterial weapons in 3D - The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus. Through needle-like structures, they release molecular agents into their host cell, thereby evading the immune response. Researchers have now elucidated the structure of such a needle at atomic resolution. Their findings might contribute to drug tailoring and the development of strategies which specifically prevent the infection process.... Anger in disputes is more about the climate of the marriage than the heat of the moment - How good are married couples at recognizing each other?s emotions during conflicts? In general, pretty good, according to a new study. But if your partner is angry, that might tell more about the overall climate of your marriage than about what your partner is feeling at the moment of the dispute.... Hall effect at the speed of light: How can you demonstrate relativistic effects with your mobile phone? - The relativistic Hall effect describing objects rotating at speeds comparable with the speed of light has now been reported.... Soldiers who desecrate the dead see themselves as hunters - Modern day soldiers who mutilate enemy corpses or take body-parts as trophies are usually thought to be suffering from the extreme stresses of battle. But, new research shows that this sort of misconduct has most often been carried out by fighters who viewed the enemy as racially different from themselves and used images of the hunt to describe their actions.... Brain injuries from blasts similar to football impacts - In an advance that may someday provide health benefits for soldiers and athletes, a team of researchers has discovered a mechanism that could be the cause of traumatic brain injuries (TBI) in blast-exposed soldiers.... Good news for nanomedicine: Quantum dots appear safe in pioneering study on primates - A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases like cancer through nanomedicine.... First, do no harm: Danger in standard treatment for a serious lung disease - A combination of three drugs used worldwide as the standard of care for a serious lung disease puts patients in danger of death or hospitalization, and should not be used together to treat the disease, called idiopathic pulmonary fibrosis, according to the surprising results of a rigorous independent study. The findings show the importance of testing treatments that doctors give for any condition -- to see if they truly help, and don't harm, patients.... Prenatal pollution exposure dangerous for children with asthma - The link between prenatal exposure to air pollution and childhood lung growth and respiratory ailments is well established, and now a new study suggests that these prenatal exposures can be especially serious for children with asthma.... Children Exposed to Smoking Face Long-Term Respiratory Risks - A new study shows that the health risks associated with exposure to environmental tobacco smoke among children whose parents smoke persist well beyond childhood, independent of whether or not they end up becoming smokers.... Treatment of childhood OSA reverses brain abnormalities - Treatment of obstructive sleep apnea (OSA) in children normalizes disturbances in the neuronal network responsible for attention and executive function, according to a new study.... Experimental bariatric surgery controls blood sugar in rodents with diabetes via novel sensing signals in gut - For the first time, scientists have shown that an experimental bariatric surgery can lower blood sugar levels in rats with type 1 diabetes.... New target to battle rheumatoid arthritis - Scientists have identified the mechanism by which a cell signaling pathway contributes to the development of rheumatoid arthritis (RA).... Songbirds' learning hub in brain offers insight into motor control - To learn its signature melody, the male songbird uses a trial-and-error process to mimic the song of its father, singing the tune over and over again, hundreds of times a day, making subtle changes in the pitch of the notes. To accomplish this feat, the Bengalese finch's brain must receive and process large quantities of information about its performance and use that data to precisely control the complex vocal actions that allow it to modify the pitch and pattern of its song. Now, scientists have shown that a key brain structure acts as a learning hub, receiving information from other regions of the brain and figuring out how to use that information to improve its song, even when it's not directly controlling the action.... Drug found for parasite that is major cause of death worldwide - An existing drug has been found to be effective against Entamoeba histolytica. This parasite causes amebic dysentery and liver abscesses and results in the death of more than 70,000 people worldwide each year.... Arthritis drug effective against global parasite, study suggests - Medical researchers have identified an approved arthritis drug that is effective against amoebas in lab and animal studies, suggesting it could offer a low-dose, low cost treatment for the amoebic infections that cause human dysentery throughout the world.... Falcon 9 aborts launch attempt - A SpaceX Falcon 9 aborted its launch May 19 moments after its engines ignited when computers detected higher pressure readings than allowed. The center engine pressure built above limits and a shutdown occurred one-half second before liftoff, SpaceX officials said.... Acid in the brain: New way to look at brain function - Researchers have developed an MRI-based method to detect and monitor pH changes in living brains. The new technique provides the best evidence so far that pH changes do occur with normal function in the intact human brain. The team hopes to use the method to investigate the role of pH changes in psychiatric disease, including anxiety and depression.... Oxytocin improves brain function in children with autism - Preliminary results from an ongoing, large-scale study shows that oxytocin -- a naturally occurring substance produced in the brain and throughout the body -- increased brain function in regions that are known to process social information in children and adolescents with autism spectrum disorders (ASD).... Pollution teams with thunderclouds to warm atmosphere - New simulation study shows that atmosphere warms when pollution intensifies storms. How much the warming effect of these clouds offsets the cooling that other clouds provide is not yet clear.... Coffee drinkers have lower risk of death, study suggests - Older adults who drank coffee -- caffeinated or decaffeinated -- had a lower risk of death overall than others who did not drink coffee, according a new study.... Newfound exoplanet may turn to dust: Planet?s dust cloud may explain strange patterns of light from its star - Researchers have detected a possible planet, some 1,500 light years away, that appears to be evaporating under the blistering heat of its parent star. The scientists infer that a long tail of debris -- much like the tail of a comet -- is following the planet, and that this tail may tell the story of the planet's disintegration. According to the team's calculations, the tiny exoplanet, not much larger than Mercury, will completely disintegrate within 100 million years.... Attraction or repulsion? New method predicts interaction energy of large molecules - Scientists have developed and validated a more accurate method for predicting the interaction energy of large molecules, such as biomolecules used to develop new drugs.... 'Rare' genetic variants are surprisingly common, life scientists report - A large survey of human genetic variation shows that rare genetic variants are not so rare after all, and offers insights into human diseases. A team of scientists studied 202 genes in 14,002 people -- one of the largest ever in a sequencing study in humans.... Weight in pregnancy best controlled by diet, study suggests - Pregnant women, including those who are obese or overweight, should be encouraged to minimize weight gain through diet, according to major new research.... How exercise affects the brain: Age and genetics play a role - Findings suggest that the effects of exercise on memory depend on the age of the exerciser; underlying genetic mechanisms matter, too.... Functional coatings from the plasma nozzle - These coatings offer protection against rust, scratches and moisture and also improve adhesion: Surfaces with a nano coating. A new plasma process enables these coatings to be applied more easily and cost-efficiently -- on an industrial scale.... Performance boost for microchips - The semiconductor industry is faced with the challenge of supplying ever faster and more powerful chips. The Next-Generation Lithography with EUV radiation will help meeting that challenge. Researchers have now developed key components.... New key mechanism in cell division discovered - Researchers have identified the mechanism by which protein Zds1 regulates a key function in mitosis, the process that occurs immediately before cell division. The research opens the door to developing targeted and direct therapies against cancer.... DNA barcoding verified the discovery of a highly disconnected crane fly species - Entomologists have discovered a new crane fly species on the Eurasian continent. The new species, Tipula recondita, has been documented in both Finnish Lapland and the Russian Far East in two apparently disconnected populations.... Hitting snooze on the molecular clock: Rabies evolves slower in hibernating bats - The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to new research. Rabies viruses in tropical and sub-tropical bat species evolved nearly four times faster than viral variants in bats in temperate regions.... Intricate, often invisible land-sea ecological chains of life threatened with extinction around the world - Intricate, often invisible chains of life are threatened with extinction around the world. A new study quantifies one of the longest such chains ever documented.... Indoor navigation system for blind - A computer science engineering team has developed an indoor navigation system for people with visual impairments. The researchers have explained how a combination of human-computer interaction and motion-planning research was used to build a low-cost accessible navigation system, called Navatar, which can run on a standard smartphone.... Teens especially susceptible to distracted driving - More than 5,000 people die each year in vehicle crashes caused by distracted driving, many who were texting and talking on cellphones behind the wheel, according to new research. Teen drivers appear to be especially susceptible to distraction.... A cell's first steps: Building a model to explain how cells grow - Physicists and biologists are addressing an important fundamental question in basic cell biology: how do living cells figure out when and where to grow?... Sutureless aortic valve replacement a North American first - A surgical milestone was reached on May 1st with a sutureless aortic valve replacement through a thoracic incision just 5 centimeters long. The two patients in their seventies who underwent this innovative procedure were doing well only one week after their operations.... Using graphene, scientists develop a less toxic way to rust-proof steel - Researchers are making significant progress on rust-proofing steel using a graphene-based composite that could serve as a nontoxic alternative to coatings that contain hexavalent chromium, a probable carcinogen.... Facebook and smartphones: New tools for psychological science research - Whether you're an iPerson who can't live without a Mac, a Facebook addict, or a gamer, you know that social media and technology say things about your personality and thought processes. And psychological scientists know it too -- they've started researching how new media and devices both reveal and change our mental states.... Copyright © 2012, Ephedra-Bestfatburner. All Rights Reserved. Buy Ephedra Products |