Tag: "complexity" at biology news

Stanford researchers establish center for physics-based simulations of biological structures

...nal models provide the framework for understanding complexity in life--a requirement for further progress in biology and medicine. "The group at Stanford has a wide range of expertise, but a particular strength in physics-based simulation of biologic structures," Delp said. "Russ brought together the faculty me...

How to use math and a CT scanner to see how trees intercept light

...sically measures of density in 3D, to quantify the complexity of plant branching patterns," he explains. "This will lead to a more complete and accurate model providing a better understanding of why some plants perform better in given light environments. This is important because in the long run, it means less ...

ENCODE consortium publishes scientific strategy

...e many hurdles facing the ENCODE consortium is the complexity of the problem. No single experimental approach can be used to identify all functional elements, and many current methods may not provide a cost effective means of finding functional elements in a target as large as the human genome. Furthermore, man...

This is your fly's brain on drugs

...alian models are useful for mapping out the neural complexity of these behaviors, insights into the molecular basis of drug abuse can often be garnered from simple models, such as the fruitfly, Drosophila . In the open-access journal PLoS Biology , Ulrike Heberlein and colleagues describe their discovery of ...

Northwestern and Chicago Botanic Garden join forces to train botanists

...plant populations; acquire an understanding of the complexity and interactions of the many organisms that make up plant communities and ecosystems; develop a working knowledge of nucleic acid and chromosome structure; and master recombinant DNA technology and gene cloning. Upon graduation, the plants scientis...

Mutant gene linked to treatment-resistant depression

...pression and anxiety symptoms. This points up the complexity of these disorders, say the researchers. For example, major depression is thought to be 40-70 percent heritable, but likely involves an interaction of several genes with environmental events. Previous studies have linked depression with the same reg...

NASA's aura satellite sheds new light on air quality and ozone hole

...ide daily, global monitoring of air pollution. The complexity of pollution transport makes it difficult to quantify how much industry and cars contribute to poor local air quality. Also, the presence of stratospheric ozone sandwiched between the satellite and the troposphere makes seeing tropospheric ozone very...

Evidence that human brain evolution was a special event

Genes that control the size and complexity of the brain have undergone much more rapid evolution in humans than in non-human primates or other mammals, according to a new study by Howard Hughes Medical Institute researchers. The accelerated evolution of these genes in the human lineage was a...

Human complexity and diversity spring from a surprisingly few (relatively speaking) genes

... correlation between genome size and an organism's complexity raised a question - how do complexity and diversity arise in higher life forms? The unexpected finding, says Stefan Maas, necessitates a c...

Agilent Technologies announces breakthrough for cancer researchers studying chromosomal changes

...ve required scientists to significantly reduce the complexity of their genomic samples, usually by amplifying only specific DNA regions, to enable study. Researchers using Agilent's platform can use either amplified or non-amplified total genomic DNA in studies of the whole genome, providing better ease of use ...

Don't count on vitamin C to boost your exercise performance

...h acute administration." Real exercise points out complexity of interactions The report noted that: "Oxidized low-density lipoprotein concentration was negatively associated with maximum heart rate and was greater in the older compared with young adults and was reduced in both groups following acute, but not c...

Searle grant funds proteomics initiative

...re proteins, scientists seeking to understand this complexity face a research challenge of enormous magnitude. Through the CBC's research collaboration and its Proteomics/Bioinformatics Demonstration Project, Chicago-area scientists will have access to tools essential for meeting this challenge: a Fourier Trans...

The simple truth: Animal development not as complicated as it seems

...tructed an algorithm to contrast the developmental complexity of different organisms based on their sequences of cell divisions, known in the trade as cell lineages. They compared the known cell lineages of three different nematode worms and a sea squirt with those randomly generated by a computer program. Th...

Novel asthma study shows multiple genetic input required; single-gene solution shot down

...ultiple independent verification, demonstrates the complexity of the genetic predisposition to asthma. The study, "Interacting genetic loci cause airway hyperresponsiveness," appears online in Physiological Genomics, published by the American Physiological Society. "We know that there are both genetic and env...

Novel approach yields predictions validated by experiments

...responses that must be considered. He compares the complexity of this task to an aerial view of a busy city with... these people and cars are going." Addressing this complexity necessitates the use of advanced mathematical equations based upon biochemical systems theory to des...

New component of the 'brakes' on nerve regeneration found

... involved in myelin inhibition adds a new level of complexity to designing therapeutic strategies for treating CNS injury." They cited studies showing that TNF receptors are expressed in many types of cells in the CNS and are intimately involved in inflammatory responses that also play a role--perhaps harmful, ...

Flocking together: Study shows how animal groups find their way

...ion through groups. The new study showed that such complexity is not necessary: Large groups easily make accurate decisions about where to go even when no individuals are regarded as leaders and very few individuals have any pertinent information. In addition to shedding light on the graceful coordination of an...

Women's health, tissue regeneration is focus of Illinois & Carle Hospital initiative

...chers in recent years have begun to understand the complexity of the microflora of the vagina, but very few of the actual components have been isolated and studied, Wilson said. "We're interested in understanding what these microbes are, what they do, and how they do it," she said. "We know some of the major mi...

New research questions basic tenet of neuron function

...tenets of synaptic function and reveal significant complexity in organization of synaptic vesicles within individual synapses," said Dr. Ege Kavalali, assistant professor in the Center for Basic Neuroscience and of physiology at UT Southwestern and senior author on the study. Neurotransmitters regulate many d...

Brain controls robot arm in monkey, University of Pittsburgh researcher reports at AAAS

...ealistic hand and finger movements. Because of the complexity of a human hand and the movements it needs to make, the researchers expect it to be a major challenge. Others involved in the research include Meel Velliste, Ph.D., a Pitt post-doctoral fellow in the Schwartz lab, and Chance Spalding, a Pitt bioengin...

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(Date:8/19/2014)... release is available in German . ... inherently intermittent energy sources. If a large amount of electricity ... future, excess energy will have to be stored during productive ... existing storage capacities are far from adequate for the purpose. ... One important focus lies on battery systems that used to ...
(Date:8/19/2014)... a lemur. It,s not an African Bush Baby or even ... and downright "cool" primate from Southeast Asia. , "It,s really ... Rafe Brown, curator-in-charge at the University of Kansas, Biodiversity Institute. ... furry body; a long tail with a furry tuft at ... look a bit like the disks on the digits of ...
(Date:8/19/2014)... retail seafood counters in 10 different states show ... to unexpectedly high levels of mercury, a harmful ... fish of the same species, but from a ... according to new research by University of Hawai,i ... is essential to allow consumers to choose sustainable ...
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