New species arise more quickly than previously believed, UMass researcher finds
... reproductive isolation." Scientists examined tiny ear bones known as otoliths, which have a sort of bar-code identifying each fish as to where it had been born, the river or the beach. "We can look at breeding adults and know who is a river resident, who is a beach resident, and who is a beach immigrant...Researchers identify molecule that senses osmotic pressure in vertebrates
...may provide insight into biological basis of inner ear function and sense of touch Researchers at th...and may provide an inroad into understanding inner ear function and the sense of touch. The findings are reported in the October 27 issue of Cell. The m...Researchers identify gene common to many autism cases
... the HOXA1 gene show similar patterns of brain and ear abnormalities, the researchers tested autism patients for abnormalities of the corresponding human gene. "One by one, we're finding the genes responsible for the autism spectrum disorders," said Marie Bristol-Power, Ph.D, NICHD special assistant for...Researchers discover gene responsible for cilia, lungs' natural cleaning system
...a do not move normally. Such people suffer chronic ear and lung infections and can require lung transplants. A report on the finding appears in the current issue of the American Journal of Respiratory Cell and Molecular Biology. Besides Reed, authors include Drs. Johnny L. Carson, Billie M. Moats-St...Scientific theory of marine reserves to be released
...ing to the Fold. (See press kit.) By analyzing the ear bone of the fish, the scientists determined that a certain species of fish did not drift away during the young larval stage, but rather remained close to the parents who spawned them. Warner states, Given the very high fecundity of many marine orga...Stowaways from space provide link between impact, biggest extinction in Earth history
...fullerenes-which usually form a small blob akin to ear wax-to Poreda for analysis. He and his colleagues in the Rare Gas Laboratory use a sophisticated gas spectrometer to measure different isotopes of elements like helium, argon, and xenon. The samples cited in the Science paper came from the Permian-Tr...Elephants pick up good vibrations - through their feet
... charge - a terrifying display of ground stomping, ear flapping and frantic screaming designed to frighte...smic waves could travel from their toenails to the ear via bone conduction, or through somatosensory receptors in the foot similar to ones found in the tru...Why monkeys don't hear as well as humans
...round us all the time," Harrison said. "The human ear is a remarkable thing." That, Harrison discovered, is where the differences in ear design become apparent. Monkey ears are shaped much like humans, except they are smaller in the cyli...Super hearing in flies may improve hearing aid technology
...es. Miniature listening devices based on the Ormia ear are under development at several industrial and en...ccurately. "Beyond the mechanical processes of the ear drum movement, we now know how the nervous system converts movement of the eardrums into information...Fly on a treadmill demonstrates super directional hearing
Super fly lends an ear to bio-inspired hearing aids and robotic listening... Nanoscale listening devices based on the Ormia ear are under development at several industrial and university laboratories, including one at Cornell. ...Effects of iron-deficiency anemia in infants linger
...e click, to go along the auditory pathway from the ear to the brain. A second, similar test was preformed to measure visual evoked potentials - the time it took for the signal, prompted by a visual stimulus - to go from the eye to the brain. "What we found is that there are differences in latencies," Loz...Scientists using earstones to identify red drum nursery grounds
...e this information. Otoliths are part of the inner ear system and used for hearing and balance. They are formed as the fish grows and are constructed from chemicals contained in the seawater. If scientists can identify earstone compositions that are unique to particular bays or ecosystems, then they can ...What it means to be a mammal: New clues from tiny fossil described in Science
... of Hadrocodium 's skull suggest that its middle ear bones were separated from its lower jaw, a key ste...the three bones homologous to the mammalian middle ear are attached to both the jaw and the cranium. In mammals, the lower jaw consists of a single bone, a...Virus found to carry antibiotic against E. coli
...es, including E. coli, pneumonia, staph infection, ear infections, Lyme's disease and cholera in humans, as well as bacterial diseases in pets, livestock and crops, according to Tom Bernhardt, biochemistry doctoral student, and Dr. Ing-Nang Wang, a lead investigator on the project. New types of antibioti...Pneumococcus genome sequence completed
... is the most common cause of acute respiratory and ear infections. Researchers estimate that over 3 million children die every year worldwide from pneumococcus-triggered pneumonia, bacteremia or meningitis. In the United States, penicillin is the most commonly used antibiotic in keeping pneumococcus und......t is also the most common cause of otitis media or ear infection. Herv Tettelin, Ph.D., principal investigator for the project, led the team at TIGR that determined the order of all of the 2.16 million individual chemical base units making up S. pneumoniaes DNA. This study, reported in the July 20 issue ...UC Davis' first cloned calf born, succumbs three days later
...is calf was cloned from a skin cell taken from the ear of a 15-year-old reddish brown Hereford cow. The calf was carried by a white-faced black surrogate mother, which is a cross between a Hereford and an Angus, both beef breeds. "I'm awed that we could produce a live calf from an adult skin cell, yet hu...Small bone could solve bluefin mystery
COLLEGE STATION, November 8 - As Exhibit A, the ear bone of a tuna is hardly courtroom evidence that c...lveston researchers are studying the otolith - the ear bone about the size of a dime in the bluefin tuna - to see why the numbers of the great fish have be...U-M scientists find gene for low-frequency hearing loss
...formation to increase their understanding of inner ear development and function," says Lesperance, an ass...proteins are produced in tiny amounts in the inner ear or cochlea - an area that is inaccessible for tissue sampling and difficult to study." Lesperance's ...MATH1 signal heralds process of differentiation in intestinal lining
...to be critical to development of tiny hairs in the ear that make it possible for people to hear. It was a surprise for us to find it expressed in intestinal cells, said Zoghbi, who also is a Howard Hughes Medical Institute investigator. It tells us is that this gene is important in a variety of cell ...