Tag: "locate" at biology news

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...ales and humans. Predators can dependably locate zooplankton aggregations by tracking well-defined cues, for example, sharp temperature gradients that occur across downwelling fronts where cold and warm waters meet. Vertical currents are common in many oceanic regions, including mid-ocean fronts, s...

Killer dinosaurs turned vegetarian

... to the therizinosaur site, but Kirkland could not locate it. So Scandizzo introduced Kirkland to Lawrence Walker, who had taken fossils from the site. Walker led Kirkland to the site. Kirkland soon applied for a digging permit from the federal Bureau of Land Management, which asked Kirkland to give a leg...

Program finds lost genes in nematode genome

...cDNA) or expressed sequence tags (EST), which help locate genes. These predicted genes are derived by a combination of a program from the previous generation and some curation by human experts. Brent and his colleagues say that the accuracy of WormBase can be improved with the use of TWINSCAN predictions. ...

Vitamin A's paradoxical role in influencing symmetry during embryonic development revealed

...s have their marching orders: they "know" where to locate themselves in the developing organism and what to differentiate into. "Paradoxical," is the Salk scientists' description of retinoic acid signaling in the uniform ball of cells that is the early embryo, because its signaling influences both the asymm...

Waggle dance controversy resolved by radar records of bee flight paths

...pent a lot of time in searching flights, trying to locate its exact position. This searching behaviour accounts for the time lag that caused the original controversy. In another set of experiments, bee recruits leaving the hive were taken to release sites up to 250m away. These bees flew, not to the feedin...

Tiny toads fitted with backpacks

...ravel up to one kilometre and will allow Browne to locate the toads and to take note of their preferred habitat. Browne began radio-tracking toads at Elk Island National Park east of Edmonton, Alberta last year, and confirming earlier research, was unable to spot a single Canadian toad. In fact, she's neve...

Quantifying network vulnerability, and the best way to find hidden items

...tters, upcoming article What is the fastest way to locate a randomly hidden object? Animals searching for food may instinctively be following the best strategy. In this paper, the authors model a search as alternating between two phases - a slow, systematic search phase during which a forager scans an area,...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...t small animals use seismic signals to find mates, locate prey and establish territories," she notes. "But there have only been a few studies focusing on the ability of large mammals to communicate through the ground." Her insights generated international media attention after the Dec. 26, 2004, tsunami dis...

Researchers track down cause of a disfiguring bone disorder

... of the SOST gene in adult humans. In an effort to locate the specific enhancer sequence responsible for SOST regulation, the team compared human and mouse DNA and found seven common segments within the 140,000-base-pair SOST region. Scientists assume that DNA segments that have been "conserved" from one or...

High-powered gene profiles provide clues to genes involved in common form of lung cancer

...o be discovered. The purpose of this study was to locate the likeliest candidates." The study is part of a renewed effort by scientists worldwide to uncover the basic biology of lung cancer, the number one cause of cancer-related deaths in the United States. Non-small cell lung cancer (NSCLC) accounts for...

Researchers discover key gene involved in bark beetle pheromone production

...w life cycle. But other bark beetles know where to locate mates because they are responding to an "aggregation" pheromone. If this pheromone could be disrupted, the beetles wouldn't be able to organize a "mass attack" to successfully colonize a tree, and they would die. University researchers have character...

Aerobic exercise helps find genetic regions linked to prediabetes

...ype 2 diabetes makes it more and more important to locate the genes so they can lead to effective interventi...s and family members. This variation allowed us to locate sites on the chromosomes associated with dynamic prediabetes traits." An area on chromosome 19 show...

Is Cajun in the genes?

...r imagined. Indeed, Batzer might even be able to locate their living descendants and determine what traits they inherited from their French forebears. Batzer, the George C. Kent Professor of Life Sciences at LSU, has been working for more than a decade with researchers from the LSU Health Sciences Cente...

Scientists discover that three molecules may be developed into new Alzheimer's drugs

... research group found, the scientists were able to locate where they bind. They found that one binds in the pocket, another binds at the edge of the pocket, and a third appears to bind completely outside the pocket. The scientists are most interested in the second and third compounds. "This is the first dem...

NASA develops a 'nugget' to search for life in space

... to seismic tomography used by the oil industry to locate oil reserves beneath Earth's surface, NUGGET would look instead for evidence of primitive algae and bacteria that fossilized along the edges of extinct rivers or oceans. As on Earth, these remains could lie just a few centimeters beneath the surface,...

Researchers find Amchitka seafood safe for now

...niversity of Alaska's Mark Johnson did not clearly locate near-shore seepage of the island's own groundwater. Exploration of the island itself by University of Alberta's Martyn Unsworth turned up additional new information. By using advanced remote sensing to explore the rock substructure, it has found cl...

Carnegie Mellon rover heads to Atacama Desert for final mission in 3-year search for life

...isms using its onboard Fluorescence Imager (FI) to locate chlorophyll and other organic molecules. "Our goa...elop fluorescent dyes and automated microscopes to locate various forms of life. The science team uses EventScope, a remote experience browser developed by r...

Study shows humans have ability to track odors, much like bloodhounds

...s, we apparently have the ability to sniff out and locate odors, according to a new study by scientists from...bjects. He suggested this was done the same way we locate sounds: by contrasting either the intensity of the odor or the time of arrival. Since then, however,...

$16 million grant advances nanomedicine at Washington University

...avel through the bloodstream deep into the body to locate and highlight tumors undetectable by typical methods. While at the tumor site, the nanoparticles can deliver therapeutic agents to destroy the tumor. To advance this promising technology, the National Cancer Institute (NCI) has awarded $16 million ov...

Why a whale shark's spots could help save its skin

Computer software developed by astrophysicists to locate stars and galaxies in the night sky could help sav...ern-matching algorithm developed by astronomers to locate celestial objects could be used to identify individual whale sharks. Whale sharks' spots are analogo...

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Breaking Biology News(10 mins):Valencell PerformTek Biometrics Power the Most Accurate Wearables at CES 2015 2Biometrics Market in India 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2Wake Forest Baptist to Build New Medical Education Facility In Wake Forest Innovation Quarter 2Wake Forest Baptist to Build New Medical Education Facility In Wake Forest Innovation Quarter 3Wake Forest Baptist to Build New Medical Education Facility In Wake Forest Innovation Quarter 4
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