A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...land coast, Sardinia proved an ideal study area to test for the occurrence of acoustical character displacement in the absence of contact with allopatric populations. Once again, islands turned out to be excellent natural laboratories to explore evolutionary patterns and processes....Clones on task serve greater good, evolutionary study shows
...is, a plant of the mustard family commonly used to test genetic questions. Arabadopsis can have many offspring that are genetically identical. Yet, just like human twins, these identical plants still have subtle individual differences. The question: Does an individual jumping on an extra bit of sunshine o...Doernbecher Children's Hospital scientist earns coveted Javits award
... Back says,because of the lack of animal models to test therapies for the complexforms of brain injury that occur in human survivors of premature birth.Recently, Back's team developed the first animal model that reproducesthe major forms of brain damage that occur in premature infants. Thismodel has subst...Swarming starlings help probe plasma, crowds and stock market
...nitially the researchers were stumped as to how to test this theory. The very complexity (and often inacc... disorder phase transitions that would be an ideal test for their mutual information based tool. They applied their mutual information based technique to ...OHSU turns mouse into factory for human liver cells
... factory for human liver cells that can be used to test how pharmaceuticals are metabolized. The technique, published in the journal Nature Biotechnology, could soon become the gold standard not only for examining drug metabolism in the liver, which helps scientists determine a drug's toxicity. But it a...Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
...search focuses on developing experimental tools to test and identify small molecules that slow, prevent and/or reverse protein accumulation in AD. These new techniques may also be broadly applicable to more than 25 diseases that have been shown to be associated with protein misfolding and aggregation, in...Antioxidant overload may underlie a heritable human disease
...enjamin by surprise, he said. They had conducted a test traditionally used to measure the level of oxidative stress in the animals, expecting they might see higher than normal levels. Instead, they found the mice had markedly reduced oxidative stress levels due to an abundance of a natural antioxidant kno...New study suggests Concord grape juice may provide protection against breast cancer
...mage. Healthy human breast cells were exposed in a test tube to an environmental carcinogen, benzo(a)pyrene, that is able to initiate a chain of events leading to breast cancer. However, the introduction of Concord grape juice compounds blocked the connection of the carcinogen to the DNA of the healthy ce...New test improves detection of liver cancer
...in Beijing and Shanghai in China, have developed a test to detect liver cancer in an early stage. A small ...mple is the only requirement for the test. The new test enables accurate detection of liver cancer in over 50% of the cases for which previous diagnostic te...Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
...l Society (APS; www.The-APS.org ) this year. To test their theory the researchers used 24 aged female rats. The ovaries were removed from two-thirds of the group (ovariectomized; ovx) while the ovaries of the other third of the group remained intact and served as controls. The researchers subdivided th...Grapes, soy and kudzu blunt some menopausal side effects
...ed by grape polyphenols. However, a more formal test of this hypothesis, using other indices of these forms of memory, is needed before the effect can be fully interpreted. The researchers also tested the hypothesis that grape seed polyphenols reduced salt-sensitive hypertension in young, estrogen-de...Innovative tagging technique may help researchers better protect fish stocks
... Institution (WHOI), would like to put MPAs to the test with a novel technique for tagging fish. Through a new research grant from the David and Lucile Packard Foundation, Thorrold and colleagues plan to use harmless chemical tags to track the dispersal of the larvae of coral reef fishes in the western ...Argonne wins three R&D 100 awards for innovative technologies
...le to detect nitric oxide releases from the Nevada test site at a concentration of around one part per thousand from a distance of 600 m, with a potential for tenfold increase in sensitivity. No previous attempt at detecting terrestrial chemical gases had surpassed this measure of performance and with le...Study: Sticking to the sand might not be such good, clean fun for beachgoers
...onitoring beach pollution nationwide in 1990. To test their hypothesis, the Stanford researchers headed to Lovers Point-a popular recreational beach in Monterey-and collected exposed sand above the tide line that contained enterococci, bacteria also found in the intestines of warm-blooded animals. In a ...Link identified between Alzheimer's disease and glaucoma
...ledge may mean that the eye could also be used to test potential treatments for Alzheimer's disease. "Since we have shown that drugs for Alzheimer's disease can tackle glaucoma, then potentially we could use damaged retina to screen Alzheimer's drugs that target beta-amyloid build up."...Anthrax bacterium's deadly secrets probed
...te, distributed computers. The team decided to test their method on 12 members of the Bacillus family. Family members exhibit a variety of behaviours ranging from the friendly Bacillus subtilis, which lives in the soil, promotes plant growth and is used to produce industrial enzymes and vitamins, to ...UF, French scientists seek test to detect gene doping in athletes
...g with investigators around the globe to develop a test that would bust competitors for injecting themselv... and global anti-doping organizations to develop a test that could detect evidence of doped DNA. WADA has had a research program in place for some years n...See what you're spewing as you speed along
...oduced by a Rover K-series car engine mounted on a test bed but they have also taken the process outside the laboratory and measured exhaust emissions in passing vehicles. Components handling the high sensitivity and robustness required to apply this approach in the real world are only now becoming ava...A sensory organ, not the brain, differentiates male and female behavior in some mammals
...meronasal activity to repress male behavior." To test these two alternatives, Dulac and her colleagues excised vomeronasal organs from the nasal septa of normal adult females. These mice began behaving like males, despite the fact that they -- like mutant females in the study -- showed testosterone leve...Universe's stringy birth revealed by young Czech scientist in EURYI winning project
...g field theory lies in conducting experiments that test predictions or help inspire new theoretical developments. The theory predicts that the universe has 10 dimensions, of which four are the ones we observe in spacetime. Yet in 40 years no better candidate has emerged to explain the properties of the un...