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Distance in Biological News

Optimum running speed is stride toward understanding human body form

... pace at which he or she can cover the greatest distance with the least effort. The result debunks the ... words, that the energy needed to run a given distance is the same whether sprinting or jogging. Though ... and continued exertion required to cover a set distance at a slower pace were thought to balance out the ...

Let the cat keep chasing the mouse

... factor for wildcat habitat proved to be the distance to human settlements: "The shy forest-dwellers ... with individual houses or roads they still keep a distance of 200 meters", reports Nina Klar. ... between the two species." Apart from the distance they keep from humans, the density of the forest ...

Killer whales, blind bats, discriminating dolphins, mating birds

... The echolocating bat controls the direction and distance of its acoustic "gaze," according to Cynthia Moss ... environment were found to shift the direction and distance of their sonar gaze to inspect closely spaced ... "The echolocating bat controls the direction and distance of its acoustic gaze." will be presented at 2:20 ...

Carnegie Mellon studies how climate change impacts food production

... Despite the recent popular attention to the distance that food travels from farm to plate, aka food ... all the attention given to food miles, the distance that food travels is only around 11% of the ... despite the large distances involvedthe average distance traveled for food in the U.S. is estimated at ...

Flying off course

... had strayed to Europe. They discovered that the distance between the breeding grounds in northern Siberia ... sites in southern Asia was often similar to the distance between the breeding grounds and Europe. The more ... the body mass, wingspan, size of breeding area, distance between the breeding area and the wintering area ...

Distance learning course in radiation oncology for cancer treatment

... course - entitled Applied Sciences of Oncology distance Learning Course - contains 71 training modules ... support of the IAEA Division of Human Health. The distance learning material was developed by the CCORE ... Region) participated in the pilot testing of the distance learning material. ...

Weird water: Discovery challenges long-held beliefs about water's special properties

... induce water-like peculiarities by adjusting the distance at which pairs of particles start to repel each ... They specified just two properties: the distance at which two converging particles start to repel each other and the distance at which they actually collide like billiard ...

Media highlights in the November issues of Biophysical Journal

... a Na+/H+ antiporter dimer obtained by pulsed EPR distance measurements Daniel Hilger, LMU Munich; ... Jeschke, University of Konstanz Keywords: distance distribution; electron electron double resonance; ... new, broadly applicable approach that is based on distance measurements in the nanometer range between sites ...

Computer solution to delivery problem

... these new requests while minimizing the total distance traveled in accommodating advance bookings. ... part of the plan so that the additional distance to be traveled is minimized. At this juncture, ... of the model computationally and found that the distance traveled by the vehicle increases with increasing ...

Our brain looks at eyes first to identify a face

... same low resolution, of about 30 by 30 pixels from ear to ear, ignoring distance and the original resolution of the image," Keil says. "Until now, nobody ... demonstrated that the brain prefers a coarse resolution, regardless of the distance between the face and the beholder. Until now, the reason for this was ...

'Normal' cells far from cancer give nanosignals of trouble

... the "field effect," a biological phenomenon in which cells located some distance from a malignant or premalignant tumor undergo molecular and other kinds ... striking findings were that these nanoscale alterations occurred at some distance from the tumor and, importantly, could be identified by assessing more ...

Research network wins approximately £5.7 million to target human and animal diseases in Africa

... platform for partners to share resources Enhance ICT support to distance learning Provide research apprenticeships with 'smart partners' ... agriculture and health, access to medicines in developing countries, and distance Learning for Development (DL4D). ...

Conservationists seek to identify prime stopover sites for migrating birds

... systems technology to select optimal resting locations based on distance from the lakeshore and the extent and diversity of wood cover. A pilot ... fall. The next phase will focus on 72 sites selected by the model based on distance from the lakeshore and the extent and diversity of wood cover. The ...

Ancient African exodus mostly involved men, geneticists find

... have taught us about hunter-gatherer populations, in which short distance migration is primarily by women and long distance migration primarily by men." ...

Water in the early universe

... used the 100 m Effelsberg radio telescope to detect water at the greatest distance from Earth so far. The water vapour was discovered in the quasar MG ... galaxy like a cosmic magnifying glass to observe at a far greater distance and had to be persistent, and sure enough the line emission of water ...

Quiet bison sire more calves than louder rivals

... a sound-level meter, its amplitude may have been affected by the animal's distance from the meter, the direction the animal was facing when it called, wind ... affect the level of the reading such as the bull's head orientation, its distance from the meter and wind conditions. After selecting for accuracy and ...

New movement models tested at the Smithsonian in Panama

... sources of pests and disease. Previous investigators only considered the distance seeds moved," said S. Joseph Wright, staff scientist at the Smithsonian in ... the direction of a seed's fall can compensate for large differences in distance moved: the ability of individual seeds and whole groups of trees to move ...

100-meter sprint world record could go as low as 9.48 seconds

... years, it seems as if men still haven't reached their top speeds at any distance and Denny predicts that male 100m sprinters could one day get the record ... knock more than 0.4s of the current 100m world record to cover the distance in 10.19s. Looking at marathon runners, Denny predicts that males could ...

Scientists achieve first tracking of salmon from headwaters in Rockies through Pacific to Alaska

... along the continental shelf to Alaska. The two swam about the same distance as from London to Istanbul or Moscow, from Auckland to Melbourne, from ... affecting salmon abundance. In fact, more survived in the Columbia once distance or travel time was taken into account - and survival was greater during ...

Scientists overcome nanotech hurdle

... approach and computer modelling, Dr Lvy has been able to measure the distance between the peptides where they sit assembled on the gold nanoparticle. ... of connection. Computer simulations allow the scientists to measure the distance at which this transition occurs, and therefore to apply it as a sort of ...

Can you be born a couch potato?

... strain scored notably higher than other strains in speed, duration and distance achieved in running than other strains, including one that was labeled as ... of offspring for activity using three measurements -- speed, endurance and distance and found a range of significant differences among the new hybrid mice in ...

Birds migrate together at night in dispersed flocks, new study indicates

... bird flies, the radar points at it." The radar kept track of a target's distance (from the radar), altitude and direction of travel over time. It also ... birds were quite far apart, more than 200 meters away from each other a distance of nearly two football fields and yet they were traveling together. ...

Substantial improvement in essential cheap solar cell process

... sequence of dye molecules, Huijser succeeded in increasing the average distance which the excitons move in the solar cell by twenty times up to a distance of approximately 20 nanometres, comparable to systems found in nature. ...

Stanford researchers developing 3-D camera with 12,616 lenses

... potentially more valuable: an electronic depth map containing the distance from the camera to every object in the picture, a kind of super 3-D. ... after the fact, using editing software on a computer Knowing the exact distance to an object might give robots better spatial vision than humans and allow ...

Fine print: New technique allows fast printing of microscopic electronics

... Harold Craighead -- found that the jet was stable for a very short distance after leaving the nozzle, but the result was still not practical and the ... of the stream but also because the large size of the nozzle and the distance from the nozzle to the printed surface will prevent clogs or jams. ...

Genome comparison of 12 fruit fly species

... genus (which contains over 2000 different species). The evolutionary distance between them varies from one million years (between the closest species) to up to sixty million years (between the most distance species). In the comparative analysis, 1193 new genes were discovered and ...

Elephantnose fish 'see' with their chin

... darkness the animals can even distinguish the material of objects at a distance or dead organisms from living ones. The results have now been published in ... trunk-like elongated chin sweeps steadily from right to left, always at a distance of a few millimetres from the bottom. This way the fish behaves like ...

Jet-propelled imaging for an ultrafast light source

... less. In their nozzle, liquid flows through a narrow capillary inside the tube through which the gas flows; the liquid issues from the capillary some distance from the opening in the outer tube, so the gas surrounds it, then increases speed and pressure as it approaches the opening, squeezing and ...

All-in-1 nanoparticle: A Swiss Army knife for nanomedicine

... dot. They carefully controlled the separation between the gold shell and the nanoparticle core by using chains of polymer, polyethylene glycol. The distance between the quantum dot core and charged gold ion is determined by the length of the polymer chain and can be increased with nanometer precision by ...

A global model for the origin of species independent of geographical isolation

... arrangement of organisms across an area, without any influence from geographical barriers or even natural selection. Over generations, the genetic distance between organisms in different regions increases, the study noted. Organisms spontaneously form groups that can no longer mate resulting in a ...

Flexible neck in cell-receptor DC-SIGN targets more pathogens

... cell receptor DC-SIGN and a target membrane decorated with carbohydrates to mimic a pathogen surface. The forces were measured as a function of the distance between the two surfaces, which was measured with single-angstrom resolution (an angstrom is 1 10-billionth of a meter). "Our force-distance ...

All in sight

... He is in charge of the research project MAPS (Marine Mammal Perimeter Surveillance) which runs since early 2009. The aim is to transmit direction and distance of a whale sighting together with the respective video sequences to the ship's command in real-time. Ships equipped with such a system can, for the ...

Oscar Pistorius: Previously confidential study results released on amputee sprinter

... Fatigue resistance Sprinting mechanics The team concluded that: Pistorius' energy cost of running is similar to that of accomplished male distance runners, but 17% lower than that of performance-matched male sprinters. Pistorius' ability to hold his speed over longer sprint races is identical ...

Mice run faster on high-grade oil

... humans" says Dr Turbill. "The application of this research to the performance of elite athletes (specifically those in sports that involve short distance sprints, including cycling) is uncertain, but in my opinion certainly deserves some further attention" he says. ...

NOAA report finds threats to California's Cordell Bank Marine Sanctuary

... Marine Sanctuary Condition Report indicates that water quality in the sanctuary is generally good due to the sanctuary's offshore location and distance from major urban population centers. Seafloor habitat quality was rated lower, primarily due to prior impacts from fishing gear that came into ...

Beetle shell inspires brilliant white paper

... them is an increasingly important practise, especially in this current financial climate. On this occasion, the Cyphochilus beetle has bridged the distance between university research and industrial application. There are a great many other natural systems awaiting discovery or detailed study that will ...

Women faring well in hiring process for science faculty jobs at research universities

... less likely than men to engage in conversation with their colleagues on many professional topics, including research, salary, and benefits. This distance may prevent women from accessing important information and may make them feel less included and more marginalized in their professional lives, the ...

Is cherry juice a new 'sports drink?'

... the American College of Sports Medicine Conference in Seattle, Wash. The study showed people who drank tart cherry juice while training for a long distance run reported significantly less pain after exercise than those who didn't. Post-exercise pain can often indicate muscle damage or debilitating ...

New study: Home energy savings are made in the shade

... it. Those on the east had no effect. Fast-growing trees provide better help than do smaller ones, and placement of the trees, particularly the distance from the house, is a significant factor. A London plane tree, planted on the west side of a house, can reduce carbon emissions from summertime ...

New and improved tomato analyzer

... on the boundary of the fruit. Morphometrics studies the quantitative analysis of the shape and size of a biological form using the position of and distance between landmarks. This method has been used to study variations, classifications, and evolutionary analyses, as well as genetic studies of animals ...
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