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St. Jude study solves mystery of mammalian ears

... the future.” The long-standing argument centers around outer hair cells, which are rod-shaped cells that respond to sound waves. Located in the fluid-filled part of the inner ear called the cochlea, these outer hair cells sport tufts of hair-like cilia that project into the fluid. The presence of outer h...

Art and music for the birds

...o exist. “Humans have an impact on other animals around us. Catbirds and mockingbirds listen to noise we m...hink about the impact we have on the other species around us,” she adds. The bird listening stations are part of the exhibition “Inside/Outside: Habitat” on...

Cellular message movement captured on video

...dhesions, busy intersections of activity scattered around the cell’s cytoplasmic membrane. Focal adhesions are regions rich with receptors for growth factors and they are also structural attachment points that link the extracellular world to the protein filaments and tubes that comprise a cell’s internal cy...

Agent slows aging in mice

...The longest that mice of this type usually live is around 1,000 to 1,100 days. “If NDGA turns out to extend maximal lifespan by 20 or 30 percent, people would accept that as an important finding,” Miller says. No one excited by these early results in mice is advised to bulk up on creosote bush leaves...

Modeling the restless brain

... of the brain, but this activity only accounts for around 2 to 5 percent of the total activity of the brain. Fluctuations of similar magnitude -- the ones studied by Sporns and Honey -- occur when a person is at rest, doing nothing. The nature of these "resting state fluctuations" is an active topic of ...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...use of chloroquine, isolates of P. falciparum from around the globe have developed genetic mutations that make them resistant to that drug as well as other similar agents. Not all mutations found in all resistant isolates are the same, however. Parasites in different geographic regions have developed unique...

Millions of children denied drug that costs less than $3 a year

...le with epilepsy who live in developing countries, around 85% receive no treatment at all. As a result, they experience seizures and the psychological consequences of stigma and discrimination. Regrettably, most of these people, many of whom are children, could return to a normal life by taking a single ...

Research shows cord blood comparable to matched bone marrow

...ve review of clinical data from transplant centers around the country and reported to the CIBMTR at the Medical College of Wisconsin, Milwaukee and the National Cord Blood Program at the New York Blood Center. The analysis included transplant outcomes in 785 children younger than 16 who had the diagnosis of...

Salty oceans provide early warning for climate change

... that the waters of the southern hemisphere oceans around South Africa and New Zealand are the places to wat...inks that regular measurements taken in the waters around South Africa and New Zealand could be useful. “It could act as an early warning system for climate c...

'Lucky 13' as new gene discovery offers further hope for childhood blindness

...g in collaboration with experts from other centres around the world, identified the gene, which is essential to photoreceptors in the eye, the cells that "see" light. The finding, the thirteenth gene to be linked to Leber’s congenital amaurosis (LCA), comes at a time of hope for the people born with the d...

Undergraduate research shows leaderless honeybee organizing

...ght like humans. Though the bee colony is centered around the queen and her reproductive capabilities, findings by Schneider and others indicates that she does not exactly “rule.” Instead, the colony appears to be controlled by the anonymous consensus of the colony’s workers. Though it is of great inter...

Newly discovered antibody may be body's natural defense against Alzheimer's

...rs" can grow into insoluble "fibrils" that cluster around brain cells and are a hallmark of Alzheimer's disease. While monomers are produced from birth and appear to be relatively benign, oligomers have been implicated as potent toxins responsible for Alzheimer's-linked memory loss and brain cell death. Thi...

Physicist cracks women's random but always lucky choice of X chromosome

...aterial for a "protein plug" then begins to gather around both of the XIST suicide genes on each X Chromosome. This starts a race between the two build ups of protein. Inevitably one of these two nascent protein plugs narrowly wins that race and reaches an energy state in which it can pull together all the ...

Small, self-controlled planes combine plant pathology and engineering

...ultural field, and the autonomous plane can circle around the waypoint at a set altitude, with about a meter variation up and down. Second, the autonomous technology enables us to have coordinated flight with multiple aircraft. In other words, we can have two aircraft sampling pathogens at the same time but...

Study investigates 'divorce' among Galapagos seabirds

...he fledgling. So, if, when mating season rolls around again, a male looks a little ragged from taking care of junior, his mate is likely to choose another. A male’s capacity to raise offspring, a quality that can vary with time, may carry more weight with a mate than stellar genes or past breeding succ...

New findings challenge established views on human genome

...me. Carried out by 35 groups from 80 organizations around the world, the research served as a pilot to test the feasibility of a full-scale initiative to produce a comprehensive catalog of all components of the human genome crucial for biological function. “This impressive effort has uncovered many exci...

Exploring the dark matter of the genome

...or transposons -- DNAs similar to viruses that hop around the genome and are capable of disrupting gene function. "Drosophila is ideal for studying genomics for many reasons, and especially for studying heterochromatin," says Susan Celniker, a scientist in Berkeley Lab's Life Sciences Division and a lon...

Blood-brain barrier breached by new therapeutic strategy

... procedures that result in only localized delivery around the site of injection. The new research provides a safe and non-invasive method for delivering therapeutic molecules across the blood-brain barrier. It has the potential to be applied to the treatment of a variety of brain infections and diseases. Th...

Surprising origin of cell's internal highways

...opic scaffolding that the cell uses to move things around in order to hold its shape and divide, originated from a tiny structure near the nucleus, called the centrosome. Now, researchers at Vanderbilt University Medical Center reveal a surprising new origin for these cellular "highways." In the June issu...

Helping chlorine-eating bacteria clean up toxic waste

...ver's harbors. "There are still thousands of sites around the country that need to be cleaned up," she said. "Ithaca has three or four, and that's not atypical."...

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(Date:4/18/2014)... the story of how barnyard chickens came to be, finds ... Proceedings of the National Academy of Sciences . , ... years ago in Europe, researchers report that just a few ... from the chickens we know today. , The results suggest ... chickens -- such as their yellowish skin -- only became ...
(Date:4/18/2014)... Asteroid and comet impacts can cause widespread ecological havoc, ... global scales. But new research from Brown University shows ... life at the time of an impact. , A ... found fragments of leaves and preserved organic compounds lodged ... Argentina. The material could provide a snapshot of environmental ...
(Date:4/17/2014)... Mo. April 17 In the most densely forested ... forests reflect two centuries of human needs, values and ... and clearing forests for agriculture and development, have set ... a U.S. Forest Service study reports. , The report ... conditions and management needs in the Northern United States ...
Breaking Biology News(10 mins):Ancient DNA offers clues to how barnyard chickens came to be 2Impact glass stores biodata for millions of years 2Impact glass stores biodata for millions of years 3Five anthropogenic factors that will radically alter northern forests in 50 years 2Five anthropogenic factors that will radically alter northern forests in 50 years 3
(Date:4/17/2014)... identified the first genetic variant specifically associated with ... for around 10-15 per cent of all breast ... the breast cancer sub-type, called invasive lobular carcinoma, ... of this particular kind of breast cancer, which ... published today (Thursday) in the journal PloS ...
(Date:4/17/2014)... PLOS Pathogens , children who live in regions of ... immune response to infection with malaria parasites that may ... and illness and partially control the growth of malaria ... develop future interventions that prevent or mitigate the disease ... 200 million cases of malaria occur worldwide, resulting in ...
(Date:4/17/2014)... AURORA, Colo. (April 17, 2014) Two recent ... Medicine researcher and colleagues may help scientists develop ... virus, Yellow fever, Japanese encephalitis and other disease-causing ... of biochemistry and molecular genetics at the School ... the Howard Hughes Medical Institute, and colleagues recently ...
(Date:4/17/2014)... University synthetic biology team has created a new ... therapeutics that could travel the body and selectively ... Engineering cell-based, biological devices that monitor and modify ... synthetic biology. However, no existing technology enabled bioengineers ... physiological state and respond in a customized fashion. ...
(Date:4/17/2014)... many as 10 million older Americans suffer from depression, ... , However, new research a project that followed ... six years found that Internet use among the ... than 30 percent. , "That,s a very strong effect," ... telecommunication, information studies and media who led the project. ...
Breaking Medicine News(10 mins):Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 2Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 3Health News:Study sheds light on how the immune system protects children from malaria 2Health News:CU researchers discover target for treating dengue fever 2Health News:Building 'smart' cell-based therapies 2Health News:Internet use can help ward off depression among elderly 2
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