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Tag: "virtual" at biology news

'Virtual autopsy' helps identify drowning as cause of death

...nuses or stomach. There are some advantages to virtual autopsy compared to conventional autopsy. In cases...xternal examination of the body. In addition, MDCT virtual autopsy may be useful as a pre-autopsy triage tool in mass casualty scenarios. "More and more, ad...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

...lytechnic Institute are developing a physics-based virtual model that can simulate a patient's breathing in r...p the 4-D Visible Photographic Man (VIP-Man). This virtual model is an extension of Xu's ongoing project involving the 3-D VIP-Man, which is an advanced comput...

Dealing deadly cancers a knockout punch

... four of five test animals. It is rare to see the virtual elimination of tumours as well as the long-lasting therapeutic effect that was observed in this study. "Combination therapy results for reovirus in animals are particularly encouraging because they suggest that Reolysin can improve the anti-tumor ...

Brain maps online

...icrometer per pixel, or 55,000 dots per inch, with virtual slides approaching 30 gigabytes in size each. ...

MIT's ocean model captures diversity of underwater forests

... have created an ocean model so realistic that the virtual forests of diverse microscopic plants they "sowed"...cal characteristics of the oceans, but adds to the virtual soup about 100 random types of phytoplankton. The model randomly generates the single-celled plants,...

Pacific Rim researchers to collaborate on distributed bioinformatics analysis of avian flu

...ontribute its natural compound database for use in virtual screening for new inhibitors and drug discovery. CNIC will also become the central repository for the project’s research data. The database will be distributed through the computational data grid, and accessible through web portals mirrored at...

The influence of the menstrual cycle on the female brain

...e they went into the MRI, they were presented with virtual slot machines showing different probabilities of winning. When women anticipate uncertain rewards, they activate the brain regions involved in processing emotions, particularly the amygdala and the orbitofrontal cortex, to a greater extent during the...

MIT's ocean model precisely mimics microbes' life cycles

... have created an ocean model so realistic that the virtual forests of diverse microscopic plants they "sowed"...cal characteristics of the oceans, but adds to the virtual soup about 100 random types of phytoplankton. The model randomly generates the single-celled plants,...

Virtual duck bills demonstrate species coexistence

...rger particles." To test his idea, Gurd created virtual bills using computer software typically used by engineers to design complex machinery. "The software allowed me to create exact, three-dimensional replicas of duck bills complete with articulating joints" said Gurd. "The replicas allowed me to determ...

Mass vaccination unnecessary in the event of a large bioterrorist US smallpox attack

...sts ?within a community of 50,000. Members of this virtual community interacted the way people normally do: within households, neighborhoods, preschool groups, schools, a community hospital and the community at large. The age distribution and household sizes were based on the U.S. census for 2000. Predicti...

A reason why video games are hard to give up

...ochester, in collaboration with Immersyve, Inc., a virtual environment think tank, asked 1,000 gamers what mo...ochester, aimed to evaluate players' motivation in virtual environments. Study volunteers answered pre- and post-game questionnaires that were applied from a p...

Where we change our mind

... aim was to analyze subjects' navigation through a virtual maze, to explore how different cortical regions function in solving "partially observable decision-making problems." "In navigation tasks, such as that investigated here, an individual must constantly maintain an estimate as to his/her current locat...

Air travel and pandemic flu

... flu outbreak in 1968?969. Using this information, virtual experiments were carried out by simulating worldwide outbreaks on a computer. The researchers looked at how the virus might spread from one city to another and how travel restrictions might reduce the rate of spread. Their calculations allowed for su...

Researchers discover how bacteria sense their environments

...troms, a distance used in atomic physics that is a virtual marathon in the world of intracellular communication. Ten angstroms equal a nanometer, which is one-billionth of a meter. Sang-Youn Park, a former graduate student in Cornell's Department of Chemistry and Chemical Biology, and senior research associ...

3-D model reveals secrets of metastasis

... Center. The microscope divided each specimen into virtual slices, generating a new stack of images every 15 ...computational model predicted what would happen in virtual experiments and then he was able to go straight to test the predictions with these complicated 3D ex...

Snakes' virtual glasses, leopard spots and all-optical transistors

...mage enhancement as though the snakes were wearing virtual corrective lenses. Because snakes' brains are small, the physicists kept their model of an image enhancing network simple. They discovered that even a crude network dramatically improves infrared imaging - which you might want to keep in mind if you ...

A new look at the state of the oceans

...Sciences (WDC-MARE). This data centre represents a virtual institute and is administered by the Alfred Wegener Institute and the Centre for Marine Environmental Sciences. Aside from WDC-MARE, there are more than 50 other global data bases worldwide that serve as long term archives and provide information for...

On the track of tiny larvae, a new model elucidates connections in marine ecology

...n ocean currents, while the second model gives the virtual larvae a genetic tag. The researchers then tested this new approach by comparing the new model's predictions to empirical genetic data for threatened staghorn corals. This test showed that combining the oceanographic and genetic models allowed the re...

MIT 'seeing machine' offers hope to blind

... They also used the machine to navigate through a virtual environment, raising the potential for "previewing...machine, you remember." Participants explored the virtual environment - which represented the inside of an MIT building - via a joystick that allowed them to ...

Avian flu modeled on supercomputer, explores vaccine and isolation options for thwarting a pandemic

... for each individual, involving more throws of the virtual dice. "Computer models serve as virtual laboratories where researchers can study how infectious diseases might spread and what intervention ...

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