Tag: "occurrences" at biology news

Cigarette smoke causes breaks in DNA and defects to a cell's chromosomes, Pitt study finds

...rmation of reactive oxygen species, prevented most occurrences of anaphase bridge formation and significantly reduced genomic imbalances. "Unfortunately, no amount of scientific evidence arguing against smoking will get everyone to stop or not begin to smoke in the first place. So, perhaps one long-term goal s...

Satellites are tracing Europe's forest fire scars

...e butts up to deliberate arson. Checking burn scar occurrences against roads, settlements and off-road tracks is likely to throw up correlations. These can be extrapolated elsewhere to help identify additional areas at risk where preventative measures should be prioritised. And overlaying burn scar maps with a ...

Plant disease under the homeland security microscope

...a web-based diagnostic system, report unusual pest occurrences and existing crop conditions or gain other information not normally submitted through other means," Rush said. An advisory system will provide information concerning pest alarms or weather conditions thatcould trigger outbreaks. According to GPDN ...

Dirty air from Asia can push U.S. air pollution to unhealthy levels

...it looks like it's something on the order of three occurrences every five years." One such event happened last summer, when pollution from Siberian forest fires crossed the Pacific and boosted levels of atmospheric ozone, an important summertime pollutant, at stations in Washington state and British Columbia. F...

Carnegie Mellon scientist says new technologies boost bio-terrorism surveillance

...ty matches the scientific need based on suspicious occurrences appearing in the data. "In American jurisprudence, human judges make decisions as to whether information will be shared with law-enforcement," she says. "We envision surveillance systems as normally working with sufficiently de-identified data, like ...

USGS December science picks!

...ghway A recent USGS inventory of mines and mineral occurrences in Afghanistan is helping the reconstruction effor...and other projects. The report, Mines and mineral occurrences of Afghanistan (USGS Open-File Report 02-110), is online at http://geopubs.wr.usgs.gov/open-file/of...

Two studies find Gulf War veterans have increased risk of ALS

... similar results. One study sought to identify all occurrences of ALS in the military after the start of the Gulf War, and found that those deployed to Southwest Asia (Saudi Arabia, Kuwait and other Arab Emirates, Turkey, or on the Red Sea) experienced almost twice the risk of ALS than those who were not deploye...

Built-in eyeshade offers clue to prehistoric past

...sual features seldom appear in evolution as random occurrences without offering some practical use, said Chatterton. Since most of our knowledge of the world at the time of this trilobite is based on the fossils preserved on what was the sea floor of the ancient continental shelves, this discovery is an interest...

Dengue infection more serious for elderly persons

...so than the infants. The same pattern was true for occurrences of a more severe form of dengue called dengue hemorrhagic fever (DHF): the elderly were more likely to have suffered DHF than either the youths or adults and only slightly less likely so than the infants. While the number of deaths was small among th...

Science Picks-Leads, Feeds and Story Seeds (June 2003)

...c Names Information System. Missouri has the most occurrences of the name Independence (53), Illinois (43), California (37), Ohio (30) and Colorado (27). To get this information you can query a search engine at http://geography.usgs.gov . Click on Geographic Names under Products, look under Query the GNIS O...

Backstage with a command performer

...ky and his colleagues are applying the biochemical occurrences to the physiology of a cell and its impact on a living organism. They're interpreting the music as it is played. Allis adds: "It is an exciting field and it is wonderful to see the new laboratories turning to chromatin in their biological systems." ...

Single molecules observed

... now it's very easy to discriminate between random occurrences of one ligand and a ligand interacting with the enzyme." Says Webb: "We see only one fluorescent ligand at a time, so we can now follow the kinetics [movement and behavior] in real time of individual reactions." He adds, "We can actually see the proc...

Exercise and recreation for people with mobility impairments

... reviewed. The frequency of electrode fracture and occurrences of infection and inflammation associated with the ...nths. Sixteen percent of volunteers experienced 23 occurrences of infection or inflammation. Electrodes provide a safe and minimally invasive technique for restori...

UCSD bioengineers develop first computer model that predicts disease variant based on genetic defect

...stical correlations between reported mutations and occurrences of disease variants. Palsson's technique actually defines the mechanism by which a genetic defect causes a disease. He was able to make this mathematical calculation by building a computer model that is based on the well-known metabolism in the huma...

November GEOLOGY and GSA TODAY media highlights

...nsformed back into graphite. Similar micro-diamond occurrences have been reported elsewhere in the world but the WGR example is so far unique because now, for the first time, diamond formed in a subduction zone during UHP metamorphic conditions, was found within mantle rocks and not within continental crust. Thi...

Researchers create new strategy for removing arsenic from soil

... While soils are contaminated both through natural occurrences of arsenic and spills and drainage from chemical and manufacturing plants, by far the most serious problems involved drinking water. In the Indian state of West Bengal and in Bangladesh, the problem is a crisis, and researchers estimate that more tha...

Newer design of close-up computer monitors increases ease of use

... passage. The second task involved counting the occurrences of an assigned letter in a par...cted to find three out of four occurrences of an assigned three-letter word on a spreadsheet filled with various three-lett...

Shrinking biodiversity?

...n technology to help manage information on species occurrences from far flung museums, the researchers are finding that the "whole is greater than the sum of the parts" and they are able to extract far more insight from large, unified collections than from the separate fragments. A second piece of the puzzle th...

University of Cincinnati geologist finds survival benefit to evolving after mass extinctions

...dwide to build an online database that depicts the occurrences of marine genera throughout the Phanerozoic, and which will incorporate data on the geography and paleoenvironment of each occurrence. In the future, he hopes to use these data to assess directly whether the longer-lived genera really were those with...

GIS, bioinformatics collaborations offer promising new perspectives

...nding and monitoring large-scale, population-based occurrences such as disease clusters, outbreaks of infection, or possible associations between cancers and environmental factors," Jacquez continued. "But this exercise was mostly limited to generating hypotheses, not facts. As a result of new dialog between t...

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