Dispute over life in Antarctic lake
... has even tested for kerosene and other markers to distinguish the outside from the inside of the core. He is con..." But with a complete lack of consensus on how to distinguish between authentic microbes and contaminant organisms, analysis of the lake water could prove as cont...New view of leukemia cells identifies best treatment options, Stanford researchers say
...ng messages in a population of individual cells to distinguish treatment options," Nolan said. What's surprising is that the equipment was around for decades before Perez and then Irish honed the new technique. Nolan said flow cytometry machines are widely available to doctors treating AML and other cancers, mak...Gene defects found in age-related macular degeneration
...gs is that if we can use fibulin gene mutations to distinguish a particular group of AMD patients, we could imagine exploring whether they do better with a certain type of treatment than other AMD patients," he said. "Such distinctions are important, because pharmaceutical companies might already have a treatmen...What are babies thinking before they start talking?
...d vary both in the sounds they require speakers to distinguish and in the meanings they require speakers to convey, and these differences influence what speakers of a language readily hear and think about," Spelke said. "Our research asked how these differences arise: Does the experience of learning to speak En...Comparing primate genomes offers insight into human evolution
... basis of the physical and biochemical traits that distinguish primate species. James Sikela and colleagues, for example, collected DNA from humans, chimpanzees, bonobos, gorillas, and orangutans to identify variations in the number of copies of individual genes among the different species. Their work is publis...New study in moths shows insects not entirely ruled by instinct
...nciple, if we can understand how insects learn and distinguish between odors, we could 'train' these animals to recognize any detectable odor of interest," he said. The findings currently appear online in the Proceedings of the National Academy of Sciences. The electrodes placed in the moths' brains registered t...Brain serotonin enzyme finding might explain psychiatric disorders
...zyme raises the possibility that a genetic test to distinguish which version of the gene a patient has could predict the patient's response to the drugs, Caron said. The brain is a network of billions of cells called neurons. When stimulated, neurons fire, sending a wave of electrical charge from one end to the ......Program suggesting that certification criteria can distinguish farms that provide conservation benefits. The Rai...ave confidence that current certification programs distinguish farms with beneficial levels of shade for biodiversity conservation....New milestones on the path to conquering HIV drug resistance (AIDS)
...vir is smaller, it is difficult for RT to learn to distinguish it from the normal building blocks and develop resistance to the drug. The interpretation provides insight into one mechanism of drug resistance, but the researchers also explored another mechanism displayed by the DAPY family of compounds. Arnold an...Innovative efforts target epigenetics, molecular imaging
...ain genes, the addition of methyl groups serves to distinguish between the gene copy inherited from the father and the one inherited from the mother - a situation referred to as imprinting. For some genes, only the paternally imprinted copy is activated to produce proteins and for others, only the maternally imp...Yale scientists decipher odor code
...l, provides new insight into how animals sense and distinguish odors, a process that is essential to identifying food, mates and predators. Graduate student Elissa Hallem and her advisor John Carlson, professor in the Department of Molecular, Cellular and Developmental Biology at Yale University, systematically ...A fly's taste experience is much like our own
...he fine discrimination of smells that allows us to distinguish foods and enjoy eating. "The simplicity of the gustatory map of the fruitfly indicates that it will be a model system to examine how the brain translates chemical cues in the periphery into taste perception and behavior," the authors concluded in the...Survival of the fastest: scientists 'selectively breed' winning Formula One cars
... it right. "By running simulations we were able to distinguish how different facets of the car perform. Each best performance solution was treated as though it had its own genes that define those parameters. These winning solutions were then bred to produce the next generation, which combined the best settings o...Espionage may have driven the evolution of bee language according to UCSD-led study in Brazil
...unmarked paper. Bees of both species were able to distinguish their kin's odor marks from the marks of the other species. "The victim species preferred their own odor marks and avoided those of the aggressor species, but bees of the aggressor species, when searching for a new food source, preferred the od...Alzheimer's may leave some forms of memory intact
...though researchers have used behavioral studies to distinguish implicit memory from the explicit memory used to recall past associations and events, the neurobiology underpinning of implicit memory remains a mystery. In anatomical terms, the kind of explicit memory that is severely impaired in Alzheimer's diseas...Tiny tango: Device sorts microscopic particles with speed and precision
...take hours to perform. The Princeton invention can distinguish large quantities of particles that are 1.00 micrometer (a millionth of a meter) from others that are 1.005 microns in a matter of seconds. The device is dubbed a "tango array" for the precise choreography it imposes upon particles. ...Late invasion of infected cells into the brain causes HIV dementia say Temple researchers
...the brain." Using markers, or antibodies, that can distinguish macrophages from resident microglia, the researchers were able to quantify the number of cells that appear to be macrophages and are producing the HIV virus. "We found that there is about a 15- to 20-fold increase in the number of total macroph...Tufts researchers identify a novel target for cancer therapy
...city, especially if hsp90 inhibitors are unable to distinguish normal and cancer cells. In the published article entitled "Functional Proteomic Screens Reveal an Essential Extracellular Role for Hsp90a in Cancer Cell Invasiveness," the researchers used a functional screen on the cell surface proteome of a high...'Dissecting sleep' by studying the strange phenomenon of cataplexy
...sing cataplexy as a unique natural "experiment" to distinguish the neural basis of loss of consciousness from that of skeletal muscle paralysis during sleep. In their studies, they have concentrated on the role of three kinds of neurons in the brain's hypothalamus -- the central controlling region for sleep and ...Indoor mold, building dampness linked to respiratory problems and require better prevention
...effects possibly related to indoor dampness do not distinguish the specific health effects of different biological or chemical agents. Through its careful review of the available scientific studies, the committee found sufficient evidence to conclude that mold and damp conditions are associated with asthma sympt...