Tag: "ear" at biology news
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...
TIGR completes study providing insight into infectious strain of bacterium that causes otitis, pneumonia and meningitis
...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 ...
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