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Tag: "records" at biology news

Triple threat: World fin trade may harvest up to 73 million sharks per year

... secretive. But we were able tap into fin auction records and convert from fin sizes and weights to whole sh...ome cases." The United Nations FAO compiles catch records for sharks and other fish, based on information submitted from member countries. Where possible, th...

Weighty viruses

...ortion of the light is sent to a CCD camera, which records the flight path of the trapped particle. The rest of the light goes to a measuring device that precisely analyzes the scattering signal. The scattered light is different from the initial light beam because the virus particle in the electric field of ...

Comments, experts and background on the 2006 Nobel Prize in chemistry

...mages with x-ray crystallography, a technique that records the pattern formed as x-rays bend and spread while passing through atoms in a substance. Those images look like bundles of twisted wire. However, they provided scientists with an understanding of how transcription works on a molecular level. ...

LSD treatment for alcoholism gets new look

...of Alberta history of medicine professor has found records of the psychiatrists' research that indicate a single dose of the hallucinogenic drug LSD, provided in a clinical, nurturing environment, can be an effective treatment for alcoholism. Her findings are published this month in the journal Social Hi...

Two studies on bee evolution reveal surprises

...t 120 million years ago -- but previous bee fossil records dated back only about 65 million years. Danforth and Poinar's fossil provides strong evidence for a more remote ancestry. The fact that the bee fossil also has some wasp traits suggests an evolutionary link between wasps and bees. In a related stu...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...re also the least understood, and many new species records for the NWHI, as well as the discovery of new species are likely during this expedition. Department of Land and Natural Resources, Aquatic Resources Division Administrator Dr. Dan Polhemus, summarized the need for this type of survey in saying "we...

Bad blood between boys and girls

... in the blood. They analysed over 1800 clinical records of babies born between 1996-2004 in private matern...nics were routinely tested for toxoplasmosis. The records contained information on the mother's age, the concentration of anti-Toxoplasma antibodies in the mo...

Air travel and flu: Post-9/11 restrictions delayed start of season

...lu in the US. The researchers analyzed government records on deaths from flu and pneumonia in cities from nine regions of the US between 1996 and 2005. For each year, they determined the time it took for the epidemic to spread across the country and the date of the national peak in flu deaths. They used gov...

Climate change creates dramatic decline in red-winged black bird population

...enial, global warming exists. "There are long-term records that show melting glaciers and altered ecological patterns like earlier migration and earlier nesting of birds. "When you first start out, you don't set out to get 25 years of data on a topic," he said. "But when you're in the field long enough li...

Edge density key to controlling gypsy moth spread

... Service, used historical, county-level quarantine records as well as forest service data from more than 100,000 pheromone traps set along the expanding gypsy moth population front for their theoretical model. The pheromone trap data were collected from 1988 to 2004. They used a theoretical model to show ...

Jefferson scientists find high glucose before surgery raises risk of dangerous complications

...rsity in Philadelphia, and his colleagues examined records of nearly 6,500 hip or knee replacement surgery patients at Thomas Jefferson University Hospital who were admitted between 2003 and 2005. They asked what happened to patients with high blood sugar that wasn't well controlled prior to surgery. Of t...

Pesticides need sunscreen to beat the heat

..., with the Met Office announcing that several heat records were broken in the UK this year. The team of scientists, led by Dr Li-Xiong Wen, has developed a new type of capsule that shields pesticides from UV light. The research, to be published on Monday in Pest Management Science (DOI 10.1002/ps.1301) show...

Long-term cancer risk follows stem cell transplant recipients

...ish Columbia, retrospectively reviewed the medical records of 926 patients treated with myeloablative stem cell transplants over an 18-year period. They found that at their institution the 10-year incidence of second cancers in these patients was 3.1 percent. When nonmelanoma skin cancer and carcinoma in ...

New biochip helps study living cells, may speed drug development

...aneously, Porterfield said. The chip also directly records ion concentrations without harming the cells, whereas present methods cannot directly detect specific ions, and cells being studied typically are destroyed in the process, he said. There are several advantages to retaining live cells, he said, such a...

Electronic chip, interacting with the brain, modifies pathways for controlling movement

... Mavoori for his doctoral thesis. "The Neurochip records the activity of motor cortex cells," Fetz explained, "It can convert this activity into a stimulus that can be sent back to the brain, spinal cord, or muscle, and thereby set up an artificial connection that operates continuously during normal behavi...

Second opinion yields treatment changes for half of patients

...iology and pathology. Researchers looked at the records of 149 consecutive patients referred to the U-M Cancer Center’s multidisciplinary breast tumor board for a second opinion. The patients had already been diagnosed with breast cancer after having undergone initial evaluation, breast imaging and biopsy...

Man may have caused pre-historic extinctions

...ng fossil remains and the incompleteness of fossil records mean that the survival of the horse beyond the arrival of humans cannot be ruled out. The PNAS paper develops a new statistical method to help resolve the inherent problems associated with dating fossils from the Pleistocene period. The aim is to pr...

Large-scale genomics project will hunt genes behind common childhood diseases

...nt system will track the samples and store medical records information in an encrypted form to preserve patient confidentiality. Clinicians will also ask the children's parents to contribute blood samples and divulge medical information, to strengthen the project's base of information. "Our sample size will...

All the eggs in one basket

...tions were greatly reduced by people. Using trade records from 163 historic sources in four time periods in 20 Caribbean regions, McClenachan and colleagues mapped the historic nesting areas of green and hawksbill turtles, and used density descriptions and harvest data to categorize "major" and "minor" nest...

Ecosystem services and invasive species

... this decline is not the first of its kind. Pollen records from its native range indicate that there was a de...y of Tennessee - Knoxville) used historical pollen records to predict what shifts in species composition might occur in the threatened areas. Heard will discu...

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