Tag: "tease" at biology news

Cockroach-like robot leads new research effort

...bot and using it as a physical model, they hope to tease apart the complex neural and muscular networks in insects. At the same time, they will conduct biomechanical and neurological experiments on insects and develop mathematical models to improve the robot. This multi-pronged approach will allow the...

Brain has center for detecting sound motion

...oimaging studies had not been able to conclusively tease apart the two abilities. Ducommun and her colleagues discovered the region by studying a woman who was to be operated on to alleviate intractable temporal lobe epilepsy. The operation would involve the removal of the affected regions of the right ant...

Images of 'tail' of protein needed for cell multiplication suggest anticancer drug targets

...xtensive study required a variety of techniques to tease apart the structure formed by the bonding of the E2 tail to E1. For example, the St. Jude team showed that deleting the tail from E2 significantly hinders the ability of E2 to transfer NEDD8 to Cul1, and blocks its ability to drive cell proliferation...

Vision: how perceptions survive in the face of ambiguity

...heng He from the University of Minnesota sought to tease out clues to the underlying mechanisms of visual perception. Earlier research had shown that perception can be stabilized when the ambiguous visual stimuli were presented intermittently. Memory of the recent perceptual experience had been proposed...

Indoor mold, building dampness linked to respiratory problems and require better prevention

...re made it clear to us that it can be very hard to tease apart the health effects of exposure to mold from all the other factors that may be influencing health in the typical indoor environment," said committee chair Noreen Clark, dean, School of Public Health, University of Michigan, Ann Arbor. "That sai...

SPECT imaging shows promise for accurate, early diagnosis of Alzheimer's

...ch will be needed to confirm these findings and to tease the significance out of the tangle-predominant results, the prospect of a highly accurate test for very early-stage AD, which could offer patients the option of initiating therapy before so much of the self is lost, is good news for those who fear th...

Sticklebacks reveal secrets to evolutionary change in Stanford study

... genetic changes, making it hard for scientists to tease out the number and location of genetic changes most important for altering the limb. Sticklebacks, with their recent divergence into many distinct populations, present an opportunity to study recent limb evolution. The group looked at two populations...

Rockefeller University scientists take on controversial 'vibration theory' of smell

...additional experiments, of his own design, to help tease out the truth behind smell....

Genome of first fungal pathogen unveiled

...e's genetic instructions might allow scientists to tease out the fundamental features responsible for some fungi's ability to cause disease, the researchers said. "We expect many similarities in function among all types of fungal pathogens -- whether they infect plants or humans," said Dietrich, ...

Paleofire database puts fire-scar and charcoal data online

...ke to add as much data as possible to IMPD as they tease out the effects of climate and climate change from that of fuel build-up. Like the fire-history scientists who study charcoal layers in lake sediments, the tree-ring scientists found that more frequent fires relate to drought. They also found that ...

New human embryonic stem-cell lines to be made available to researchers

...heir experiments, they discovered an easier way to tease stem cells free from surrounding tissues by using enzymes. "One of the things our paper shows is that it's possible to select for cells that can be easily grown by using enzymes rather than by the tedious process of hand-dissecting them," Melton said...

Microscopes provide new view for tissue engineering

...cture and cellular activity can help scientists to tease apart the essentials of this interactive relationship. In turn, such knowledge can speed development of tissue-engineered products ranging from skin replacements to substitute livers to inside-the-body treatments of osteoporosis. NIST scientist Joy D...

NSF awards $31.9 million in grants to study biocomplexity in the environment

... of interconnections, which are often difficult to tease apart." Research on Biocomplexity in the Environment, said Colwell, will shed light on connections that are not necessarily straightforward or easily discerned, but that are critically important to the future of life on our planet. "Breakthroughs in...

Sizable federal grant to fund Stanford genome research

... received an $8 million boost for their efforts to tease out the most biologically important regions of the human genome. A grant from the National Human Genome Research Institute of the National Institutes of Health went to eight different research groups using various techniques to analyze small portions...

Salmonella uses molecular staples to change structure of infected cells

...sentation, and through extensive image processing, tease apart the role that SipA plays in forming filaments. They found that SipA is shaped like a molecular staple, with a rounded middle and two extending arms that project from either side of the molecule. The middle core of the SipA molecule binds to act...

Invading species have tough time cracking diverse neighborhood

...rom any guild did more poorly. Using statistics to tease out the repellant effects of individual plant guilds, the researchers found that each guild was most effective at limiting the success of introduced plants from its own guild. That finding was statistically significant for all guilds except legumes, ...

Close communication between identical twins helps them live longer

...l and fraternal twins is a well-established way to tease out the relative contributions of genes and environment to human behavior. Analyses of twin registries kept by the governments of Sweden and Denmark have shown that identical twins live longer than fraternal (dizygotic) twins. The only factor known t...

Body clocks keep migrating monarchs on course, Science study shows

...ic makeup of the monarch circadian clock will help tease apart the entire migratory process, a process that remains one of the great mysteries of biology." Research in other animals has been turning up a number of genes that make up the circadian clock, as their expression oscillates in a daily cycle. The ...

Bright beaks provide honest look at male immune system, Science study says

... Blount. The next step, according to Blount, is to tease out the relative importance of the different factors that may determine the range in carotenoid-dependent signals. These include immune function, foraging efficiencies, susceptibility to and cost incurred by parasites, and the amount of energy an ind...

Human sperm may 'smell' their way to the egg, Science study suggests

... ligands were then tested in human spermatozoa. To tease out the role of this new receptor, hOR17-4, and to understand how a "sperm attractant" can act as a chemoattractant and a swimming stimulant to navigating sperm cells, the scientists considered the observed changes in calcium ion concentrations. As s...

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