Discovery of dynamic sub-cellular processes could lead to medical applications
...mic reticulum. Therefore, Storrie said, there is a constant flow of materials from the endoplasmic reticulum through the Golgi and to the cell's outer surface. Storrie said Tommy Nilsson, a scientist with the European Molecular Biology Laboratory in Heidelberg, Germany, helped the Virginia Tech researchers de...Major stress during pregnancy linked to autism
...ir pregnancies remained fairly constant during the study for normal and Down's syndrome pregnancies. Stress levels for the mothers of autistic children were nearly twice those of other mothers in the study. "We expected that a wo...Prescribed burning: Do we really know what we're doing?
...area that has burned in recent decades hasremained constant or increased, say Keeley and C.J. Fotheringhamof the University of California at Los Angeles. Another reason theyoppose widespread prescribed burning in southern Californiachaparral is that it can have adverse ecological consequences. For instance, f...Hormonal regulation of glucose production by fat cells
...n healthy mice are maintained for short periods at constant blood glucose and insulin levels, the presence of exogenous Acrp30 decreases hepatic glucose production. In particular, the authors show that glucose-6-phosphatase (G6Pase), an enzyme critical for hepatic glucose release, is less active in animals tr...Respiratory activation in patients with obstructive sleep apnea syndrome (OSA)
...aken to ensure that arterial CO2 pressure remained constant or unchanged throughout the hypoxia period by measuring end-tidal CO2 (PETCO2), and five percent CO2 was supplemented as needed. Hypoxia was abruptly terminated with one breath of 100 percent O2. The breathing pattern was monitored at 5, 20, and 40 m...URI oceanography models migration and foraging strategies of North Atlantic right whales
...bove that predicted if the animal simply swam at a constant depth. Tactile clues are probably the most reliable indicator of zooplankton density at this scale. A right whale could use the whiskers on the front of its head for detection of individual zooplankton organisms. There is much that remains un...New theory of the evolution of bird flight linked to parental care
...ir own body temperature in order to provide a more constant environment for their developing young. Scales evolved into feathers, better camouflaging and insulating the parents. In time, these early ancestors of birds developed more advanced techniques for caring for their young. They started to feed their yo...The body's production of melatonin may be the reason why the elderly can't get a good night's sleep
...commenced. The baseline segment was followed by a constant routine (CR) to assess the endogenous phase and amplitude of the subjects circadian rhythms of plasma melatonin and core body temperature; and (2) Data analysis, which included recording and averaging habitual wake and bed times from the sleep diary...An animal study raises additional concerns about the use of dexamethasone on premature infants
...of laboratory animals. All animals were kept under constant temperature and light-dark cycle, and they were provided with food and water, as desired. With the use of a trio mating system (2 females: 1 male), 20 female rats were mated. Females were then housed in pairs until estimated gestational day 18, at ...Comparing ag and industrial runoff between estuaries
...aries and coastal water areas remain approximately constant over time, nutrients such as nitrogen and phosphorus are taken up, or released, by biological processes in estuaries. As water flows through the system and mixes with adjacent systems, such as oceans or seas, the flows of water are described by scie...Ecologist Gretchen Daily advocates saving the planet by making conservation profitable
... corporations and conservationists seem to be in a constant state of war. One day Greenpeace is seizing an oil platform in the North Sea, the next day Pacific Lumber is suing an environmental group in a dispute over logging redwoods in Northern California. But if big business and the conservation movement con...Living in large groups could give you a better memory
...space" to store new memories if they didn't grow a constant supply of new cells. Songbirds do grow new neurons, though most of these die within three to five weeks and so can't store memories for long. But those that survive may provide space for new long-term memories. Fernando Nottebohm of Rockefeller Uni......ion perpetuate itself in a chain reaction, without constant input from a neutron source. In the short term, the research may provide a more convenient way for scientists to produce and study nuclear fusion processes in the laboratory, says Fred D. Becchetti of the University of Michigan, in an accompanying Pe...Human running on surfaces of different stiffnesses
...rtical displacement at the center of mass) remains constant regardless of the hardness of the surface, essenti...eg spring adjustment is key to the body sustaining constant support mechanisms over varying surfaces. These findings will certainly benefit running shoe technol...Errant stem cells may account for symptoms of schizophrenia
...stem cells are a ready supply of new parts for the constant wiring and rewiring of the brain's circuitry as this complex organ responds to environmental stimuli so that we can learn new skills, interpret new data and rethink old ideas. But if those cells can't migrate to the right place and morph into the rig...Mathematical analysis could aid flu vaccine selection
...trol. The virus' annual spread is made possible by constant mutations in a gene that makes a protein on the surface of the viral particle. These small changes can be enough to disguise the entire virus and prevent people's immune systems from recognizing it. Even people who had a flu shot in previous years or...UB study finds early nutritional modification programs metabolism, predisposes to obesity
...es of carbohydrates and fat while keeping calories constant -- in order to study the metabolic programming effect. Milk produced by the rat mother is composed of 8 percent carbohydrate, 68 percent fat and 24 percent protein; the modified milk formula fed to the rat pups in the UB study was composed of 56 per...NYU biologists develop better way to 'silence' neurons
... Free-running refers to challenging the clock with constant darkness. Virtually all organisms are capable of ... normal cycle of circadian activity when living in constant darkness over many days. The new result of the NYU teams research indicates a previously unsuspecte...Bacteria discovered in cave produce potential anti-cancer drug
...number of antibiotic-resistant bacteria, require a constant supply of new drugs for effective treatment, such as tamoxifen and fourth generation fluoroquinolones. Natural product screening represents a major avenue for drug discovery. Based on their structural complexity and wide range of mechanisms of action......event the same thing happening in the future. "The constant monitoring by the electrodes means that now we can improve on the fairly basic organ transportation units. Sensor readouts can be built into the units and we can determine which kinds of liquid are best for maintaining organ quality and what is the b...