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Tag: "organizing" at biology news

Flocking together: Study shows how animal groups find their way

...ight on how people move in crowds and is currently organizing experiments that test the principles in large groups of student volunteers. ...

Researchers make surprise discovery that some neurons can transmit three signals at once

...estation in a human, when neurons are meticulously organizing and self-selecting to assemble into specific brain structures and neuronal networks. It has long been known that a specific receptor for glutamate, the NMDA receptor, plays a crucial role in these processes, but how inhibitory synapses, which account...

New complete muscle grown in the lab

...gated muscle fiber tubes and the endothelial cells organizing themselves in tubes nestled between the myoblasts. By adding fibroblast cells to the scaffold, the researchers were able to significantly boost the growth of the blood vessel network forming within the muscle tissue. Thanks in part to the stabilizin...

'Uniquely human' component of language found in gregarious birds

...bly discriminate between two different patterns of organizing the sounds they use to communicate. "Our research is a refutation of the canonical position that what makes human language unique is a singular ability to comprehend these kinds of patterns," said Timothy Gentner, assistant professor of psychology ...

'Nano-keys' bind cell receptors and trigger allergic reactions

...getting turned on. We can then see how the cell is organizing itself due to the stimulus." Collaborators include: David Holowka, Cornell senior scientist in chemistry; and the research groups of Harold G. Craighead, Cornell professor of applied and engineering physics; Dan Luo, Cornell assistant professor of b...

Formation of cellulose fibers tracked for the first time

...crotubules act as more than a general scaffold for organizing the cell wall; individual elements of the microtubule array appear to actively direct the pattern of the cellulose fibers. This work should set a long-standing discussion to rest." ...

Anemone genes reveal versatile building blocks for body plans

...one's version of genes known to be responsible for organizing the dorso/ventral axis in bilateral animals. Matus and colleagues found that two types of proteins--so-called TGFß ligands and an antagonist protein that functions in opposition to the ligands--encoded by these genes are expressed differently in an...

Indonesia - disaster relief aid in action

...edical and paramedic staff in the area, as well as organizing screening for Acute Kidney Injury in non-nephrological Units, and administering fluids immediately after extrication. First reports from the ground have been received from Prof. Dr. Sjabani, an Indonesian colleague in Yogyakarta, with a calculated ...

RNA found in the cellular centrosome of surf clams

...of the genetic material RNA in the centrosome, the organizing structure inside each cell that assures proper cell division. The findings, detailed June 5 in the online early edition of the journal Proceedings of the National Academy of Sciences, present evidence that individual centrosomes within a cell may c...

New angiogenesis finding may help fight cancer growth

.... Because NK-B prevents endothelial cells from organizing into blood vessels, Bresnick says, "Maybe excess levels of NK-B are responsible for or contribute to impaired vascular development/function and certain symptoms of preeclampsia." According to the Preeclampsia Foundation, the condition affects about 2...

With record resolution and sensitivity, tool images how life organizes in a cell membrane

...s, and the result is specialized function. It's an organizing principle, if you like, in an otherwise fluid environment.'' ...

Pheromone from mother's milk may rapidly promote learning in newborn mammals

...y cues, the mammary pheromone may act as a kind of organizing signal that boosts the brain's ability to associate new odors with milk availability. This would in turn facilitate an essential skill: the ability of newborn pups to rapidly hone their suckling instincts during the first days of life. ...

Power emerges from consensus in monkey social networks

...dividuals. "Consensus about power is an important organizing principle in societies in which conflicts are complicated, often involving many group members at once," explains Krakauer. "In such cases, only individuals widely perceived as powerful will be able to terminate or reduce the severity of these conflic...

Genomics throws species definition in question for microbes

...n use today is not capable of fully portraying and organizing microbial diversity." The report contains an in-depth review of the myriad issues and conflicts involved in the classification of microbes in the post-genomic era, including a discussion on the definition of the term "species." It ends with a se...

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